FNUS55 KBYZ 200703 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 103 AM MDT Mon Apr 20 2026 .DISCUSSION... ...Temperatures 20-30 degrees above normal through Wednesday... ...Single digit and teens RH values through Wednesday... ...Gusty Pre-Frontal winds Central and West Wednesday... Very warm and dry conditions expected into Wednesday. Afternoon temperatures are forecast in the 80s Monday through Wednesday. RH values are expected to drop into the single digits and teens each afternoon through mid week. Occasional thermal wind gusts up to 25 mph can be expected during the warmest part of each afternoon, otherwise wind speeds will be below 15 mph Today and Tuesday. Next storm system arrives late Wednesday. Ahead of this system expect southwest wind gusts of 30 to 50 mph over central and western portions of the district, with the strongest gusts over the western foothills. This presents elevated grass fire concerns where green-up has not developed yet. Much cooler temperatures look certain by Thursday. The amount of precipitation with this system is still uncertain though the latest forecast shows widespread wetting rain chances over 80 percent Wednesday night and Thursday. Accumulating snow is expected above 7000 feet Wednesday evening, dropping to around 5000 feet by Thursday morning and 3500 feet by Thursday afternoon. Cool and unsettled conditions are expected to persist into next weekend. Chambers MTZ123-202215- Gallatin National Forest- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......67-76 at 5000 feet...54-64 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Min humidity..........11-21 percent at 5000 feet...17-27 percent at 7000 feet. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......39-49 at 5000 feet...34-44 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Max humidity..........40-50 percent at 5000 feet...47-57 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......69-79 at 5000 feet...59-69 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........13-22 percent at 5000 feet...20-30 percent at 7000 feet. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly cloudy. Lows 41 to 51. South winds 5 to 10 mph. .WEDNESDAY...Cooler. Mostly cloudy. Snow showers with numerous showers. Lows 28 to 38. Highs 58 to 68. Southwest winds 5 to 15 mph with gusts to around 30 mph. .THURSDAY...Much colder. Mostly cloudy. Snow. Lows 20 to 30. Highs 37 to 47. Northwest winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Numerous snow showers. Lows 17 to 26. Highs 36 to 46. Northwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated snow showers. Lows 19 to 26. Highs 40 to 50. .SUNDAY...Partly sunny. Scattered snow showers. Highs 42 to 52. $$ MTZ124-202215- Wheatland County/Sweet Grass County- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......73-78. * 24 hr trend.........7 degrees warmer. * Min humidity..........13-18 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......40-45. * 24 hr trend.........2 degrees warmer. * Max humidity..........46-51 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......78-83. * 24 hr trend.........5 degrees warmer. * Min humidity..........14-19 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly cloudy. Lows 46 to 51. South winds 5 to 15 mph. .WEDNESDAY...Not as warm. Mostly cloudy. Showers, isolated thunderstorms and snow showers. Lows 32 to 37. Highs 68 to 73. West winds 15 to 25 mph with gusts to around 50 mph. .THURSDAY...Much colder. Windy. Mostly cloudy. Snow. Lows 24 to 29. Highs 40 to 45. Northwest winds 15 to 30 mph with gusts to around 50 mph. .FRIDAY...Mostly cloudy. Scattered snow showers. Lows 20 to 25. Highs 39 to 44. Northwest winds 15 to 25 mph with gusts to around 35 mph. .SATURDAY...Mostly cloudy. Isolated snow showers. Lows 22 to 27. Highs 43 to 48. .SUNDAY...Partly sunny. Isolated snow showers. Highs 43 to 48. $$ MTZ125-202215- Stillwater County- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......73-78. * 24 hr trend.........6 degrees warmer. * Min humidity..........14-19 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......43-48. * 24 hr trend.........3 degrees warmer. * Max humidity..........42-47 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......79-84. * 24 hr trend.........6 degrees warmer. * Min humidity..........10-15 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly cloudy. Lows 47 to 52. Southwest winds 5 to 10 mph. .WEDNESDAY...Not as warm. Mostly cloudy. Rain and isolated thunderstorms. Lows 36 to 41. Highs 69 to 74. West winds 10 to 20 mph with gusts to around 35 mph. .THURSDAY...Much cooler. Mostly cloudy. Snow. Lows 27 to 32. Highs 47 to 52. Northwest winds 15 to 25 mph with gusts to around 45 mph. .FRIDAY...Mostly cloudy. Numerous snow showers. Lows 22 to 27. Highs 43 to 48. Northwest winds 5 to 15 mph with gusts to around 30 mph. .SATURDAY...Mostly cloudy. Isolated snow showers. Lows 23 to 28. Highs 45 to 50. .SUNDAY...Partly sunny. Scattered snow showers. Highs 45 to 50. $$ MTZ126-202215- Beartooth Ranger District Custer National Forest- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......66-76 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........7 degrees warmer. * Min humidity..........11-18 percent at 5000 feet...17-27 percent at 7000 feet. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........West winds 10 to 20 mph. Gusts up to 30 mph in the morning. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......44-52 at 5000 feet...39-49 at 7000 feet. * 24 hr trend.........6 degrees warmer. * Max humidity..........33-38 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Slope/valley.........West winds 10 to 20 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......72-82 at 5000 feet...63-73 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Min humidity..........12-18 percent at 5000 feet...19-29 percent at 7000 feet. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 10 to 20 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly cloudy. Isolated showers. Lows 48 to 54. Southwest winds 5 to 15 mph. .WEDNESDAY...Windy. Mostly cloudy. Snow and isolated thunderstorms. Lows 34 to 39. Highs 64 to 73. Southwest winds 15 to 30 mph with gusts to around 45 mph. .THURSDAY...Colder, windy. Mostly cloudy. Snow. Lows 26 to 31. Highs 38 to 48. Northwest winds 15 to 30 mph with gusts to around 55 mph. .FRIDAY...Mostly cloudy. Numerous snow showers. Lows 22 to 27. Highs 36 to 44. Northwest winds 10 to 20 mph with gusts to around 40 mph. .SATURDAY...Mostly cloudy. Scattered snow showers. Lows 24 to 30. Highs 38 to 46. .SUNDAY...Partly sunny. Scattered snow showers. Highs 40 to 47. $$ MTZ127-202215- Golden Valley County/Musselshell county- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......72-77. * 24 hr trend.........8 degrees warmer. * Min humidity..........14-19 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......47-52. * 24 hr trend.........2 degrees warmer. * Max humidity..........39-44 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......79-84. * 24 hr trend.........7 degrees warmer. * Min humidity..........13-18 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly cloudy. Lows 53 to 58. South winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Rain and isolated thunderstorms. Lows 35 to 40. Highs 73 to 78. West winds 15 to 25 mph with gusts to around 45 mph. .THURSDAY...Much colder. Windy. Mostly cloudy. Snow likely. Lows 27 to 32. Highs 39 to 44. Northwest winds 15 to 30 mph with gusts to around 50 mph. .FRIDAY...Mostly cloudy. Scattered snow showers. Lows 25 to 30. Highs 39 to 44. Northwest winds 10 to 20 mph with gusts to around 35 mph. .SATURDAY...Mostly cloudy. Lows 26 to 31. Highs 42 to 47. .SUNDAY...Partly sunny. Isolated snow showers. Highs 43 to 48. $$ MTZ128-202215- Yellowstone County- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......77-82. * 24 hrtrend.........7 degrees warmer. * Min humidity..........13-18 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......45-50. * 24 hr trend.........2 degrees warmer. * Max humidity..........43-48 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......84-89. * 24 hr trend.........7 degrees warmer. * Min humidity..........13-18 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly cloudy. Lows 51 to 56. Southwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Rain and isolated thunderstorms. Lows 37 to 42. Highs 75 to 80. West winds 15 to 25 mph with gusts to around 40 mph. .THURSDAY...Much cooler. Mostly cloudy. Rain likely and scattered snow showers. Lows 29 to 34. Highs 45 to 50. Northwest winds 15 to 25 mph with gusts to around 45 mph. .FRIDAY...Mostly cloudy. Scattered snow showers. Lows 25 to 30. Highs 44 to 49. Northwest winds 10 to 20 mph with gusts to around 30 mph. .SATURDAY...Mostly cloudy. Lows 26 to 31. Highs 47 to 52. .SUNDAY...Partly sunny. Isolated showers and snow showers. Highs 47 to 52. $$ MTZ129-202215- Crow Indian Reservation/Bighorn Canyon Rec Area- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......67-77 at 5000 feet...60-67 at 7000 feet. * 24 hr trend.........8 degrees warmer. * Min humidity..........12-18 percent at 5000 feet...14-19 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......48-53. * 24 hr trend.........4 degrees warmer. * Max humidity..........30-35 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......73-83 at 5000 feet...66-72 at 7000 feet. * 24 hr trend.........7 degrees warmer. * Min humidity..........14-19 percent at 5000 feet...16-21 percent at 7000 feet. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly cloudy. Lows 51 to 57. Southeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Showers and isolated thunderstorms. Lows 31 to 38. Highs 65 to 75. Southwest winds 15 to 25 mph with gusts to around 40 mph. .THURSDAY...Much colder. Windy. Mostly cloudy. Snow. Lows 24 to 30. Highs 36 to 46. Northwest winds 15 to 30 mph with gusts to around 50 mph. .FRIDAY...Mostly cloudy. Numerous snow showers. Lows 21 to 27. Highs 34 to 44. Northwest winds 10 to 20 mph with gusts to around 35 mph. .SATURDAY...Mostly cloudy. Scattered snow showers. Lows 24 to 29. Highs 38 to 48. .SUNDAY...Partly sunny. Scattered snow showers. Highs 39 to 49. $$ MTZ130-202215- Northern Rosebud/Northern Treasure Counties- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......75-80. * 24 hr trend.........9 degrees warmer. * Min humidity..........16-21 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......42-47. * 24 hr trend.........3 degrees warmer. * Max humidity..........56-61 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......85-90. * 24 hr trend.........10 degrees warmer. * Min humidity..........12-17 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows 52 to 57. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Showers and isolated thunderstorms. Lows 34 to 39. Highs 80 to 85. West winds 10 to 20 mph with gusts to around 30 mph. .THURSDAY...Much cooler. Mostly cloudy. Showers with possible snow showers and thunderstorms. Lows 27 to 32. Highs 43 to 48. Northwest winds 15 to 25 mph with gusts to around 45 mph. .FRIDAY...Mostly cloudy. Scattered snow showers. Lows 24 to 29. Highs 42 to 47. Northwest winds 10 to 20 mph with gusts to around 30 mph. .SATURDAY...Partly cloudy. Lows 24 to 29. Highs 45 to 50. .SUNDAY...Partly sunny. Highs 47 to 52. $$ MTZ131-202215- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......77-82. * 24 hr trend.........9 degrees warmer. * Min humidity..........13-18 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......42-47. * 24 hr trend.........7 degrees warmer. * Max humidity..........43-48 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening shifting to the southwest overnight. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......83-88. * 24 hr trend.........6 degrees warmer. * Min humidity..........10-15 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. Southeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 34 to 39. Highs 80 to 85. Southwest winds 10 to 20 mph with gusts to around 35 mph. .THURSDAY...Much colder. Windy. Mostly cloudy. Snow showers, showers and isolated thunderstorms. Lows 25 to 30. Highs 42 to 47. Northwest winds 15 to 30 mph with gusts to around 45 mph. .FRIDAY...Mostly cloudy. Scattered snow showers. Lows 22 to 27. Highs 42 to 47. Northwest winds 10 to 20 mph with gusts to around 35 mph. .SATURDAY...Mostly cloudy. Isolated snow showers. Lows 23 to 28. Highs 46 to51. .SUNDAY...Partly sunny. Isolated snow showers. Highs 47 to 52. $$ MTZ132-202215- Custer County- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......72-77. * 24 hr trend.........9 degrees warmer. * Min humidity..........19-24 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......44-49. * 24 hr trend.........6 degrees warmer. * Max humidity..........59-64 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph in the evening shifting to the southeast 5 to 15 mph overnight. * Chance of lightning...0 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......81-86. * 24 hr trend.........9 degrees warmer. * Min humidity..........15-20 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows 54 to 59. Southeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 35 to 40. Highs 80 to 85. Southwest winds 10 to 20 mph. .THURSDAY...Much colder. Mostly cloudy. Showers with possible snow and thunderstorms likely. Lows 25 to 30. Highs 42 to 47. Northwest winds 15 to 25 mph with gusts to around 45 mph. .FRIDAY...Mostly cloudy. Scattered snow showers. Lows 22 to 27. Highs 37 to 42. Northwest winds 10 to 20 mph with gusts to around 35 mph. .SATURDAY...Mostly cloudy. Lows 22 to 27. Highs 40 to 45. .SUNDAY...Partly sunny. Highs 43 to 48. $$ MTZ133-202215- Sioux Ranger District Custer National Forest- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......74-79. * 24 hr trend.........17 degrees warmer. * Min humidity..........16-21 percent. * 24 hr trend.........18 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......40-45. * 24 hr trend.........8 degrees warmer. * Max humidity..........73-78 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph in the evening shifting to the south 5 to 10 mph overnight. * Chance of lightning...0 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......83-88. * 24 hr trend.........9 degrees warmer. * Min humidity..........14-19 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. Southeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 36 to 41. Highs 83 to 88. Southwest winds 10 to 20 mph with gusts to around 30 mph. .THURSDAY...Much cooler. Windy. Mostly cloudy. Rain and scattered snow showers. Lows 25 to 30. Highs 47 to 52. Northwest winds 20 to 35 mph with gusts to around 60 mph. .FRIDAY...Mostly cloudy. Isolated snow showers. Lows 22 to 27. Highs 41 to 46. Northwest winds 15 to 25 mph with gusts to around 40 mph. .SATURDAY...Partly cloudy. Isolated snow showers. Lows 22 to 27. Highs 43 to 48. .SUNDAY...Mostly sunny. Highs 47 to 52. $$WYZ274-202215- Sheridan County- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........12 degrees warmer. * Min humidity..........11-16 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the morning shifting to the north in the afternoon. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......38-43. * 24 hr trend.........7 degrees warmer. * Max humidity..........50-55 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......83-88. * 24 hr trend.........7 degrees warmer. * Min humidity..........13-18 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Mostly cloudy. Lows 44 to 49. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 33 to 38. Highs 78 to 83. Southwest winds 10 to 20 mph with gusts to around 35 mph. .THURSDAY...Much cooler. Windy. Mostly cloudy. Rain and scattered snow showers. Lows 22 to 27. Highs 44 to 49. Northwest winds 15 to 30 mph with gusts to around 55 mph. .FRIDAY...Mostly cloudy. Scattered snow showers. Lows 18 to 23. Highs 41 to 46. Northwest winds 10 to 20 mph with gusts to around 35 mph. .SATURDAY...Mostly cloudy. Isolated snow showers. Lows 20 to 25. Highs 44 to 49. .SUNDAY...Partly sunny. Isolated showers and snow showers. Highs 45 to 50. $$ WYZ284-202215- Bighorn National Forest- 103 AM MDT Mon Apr 20 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......56-61. * 24 hr trend.........6 degrees warmer. * Min humidity..........14-19 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......36-41. * 24 hr trend.........6 degrees warmer. * Max humidity..........40-45 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......62-67. * 24 hr trend.........6 degrees warmer. * Min humidity..........18-23 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .TUESDAY NIGHT...Partly cloudy. Isolated showers. Lows 41 to 46. South winds 10 to 20 mph with gusts to around 35 mph. .WEDNESDAY...Windy. Mostly cloudy. Snow showers with possible showers and thunderstorms. Lows 24 to 29. Highs 56 to 61. Southwest winds 15 to 30 mph with gusts to around 50 mph. .THURSDAY...Much colder. Windy. Mostly cloudy. Snow. Lows 13 to 18. Highs 30 to 35. Northwest winds 15 to 30 mph with gusts to around 60 mph. .FRIDAY...Mostly cloudy. Numerous snow showers. Lows 10 to 15. Highs 26 to 31. Northwest winds 15 to 25 mph with gusts to around 40 mph. .SATURDAY...Mostly cloudy. Scattered snow showers. Lows 13 to 18. Highs 29 to 34. .SUNDAY...Partly sunny. Scattered snow showers. Highs 32 to 37. $$ weather.gov/billings