FPUS65 KTFX 202136 SFTTFX MTZ301>330-211100- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 336 PM MDT Mon Apr 20 2026 ROWS INCLUDE... Daily predominant daytime weather 6AM-6PM Forecast temperatures...early morning low/daytime high Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM - indicates temperatures below zero MM indicates missing data FCST FCST FCST FCST FCST FCST FCST Tue Wed Thu Fri Sat Sun Mon Apr 21 Apr 22 Apr 23 Apr 24 Apr 25 Apr 26 Apr 27 ...CENTRAL MONTANA... Great Falls Sunny Rain Snow Ptcldy Ptcldy Ptcldy Ptcldy 44/82 46/72 34/43 27/42 23/44 24/49 27/55 00/00 10/60 100/90 40/40 10/10 10/10 10/10 Cut Bank Sunny Rain Snow Ptcldy Ptcldy Ptcldy Ptcldy 41/78 43/62 29/42 23/40 21/44 22/48 25/54 00/00 00/60 90/50 20/20 10/10 00/10 00/10 Havre Ptcldy Ptcldy Rnsnow Mocldy Ptcldy Ptcldy Ptcldy 42/82 47/79 34/46 26/42 23/45 22/50 25/55 00/00 10/30 80/60 30/30 20/10 00/10 00/10 Helena Ptcldy Rain Rnsnow Snow Ptcldy Ptcldy Ptcldy 43/83 46/68 34/42 26/41 22/45 24/51 28/57 00/00 00/70 100/90 50/50 10/10 10/10 00/20 Lewistown Sunny Rain Snow Snow Ptcldy Ptcldy Ptcldy 44/79 50/73 29/38 22/36 19/39 19/45 24/52 00/10 10/50 90/90 40/50 20/20 10/10 10/20 Shelby Sunny Rain Snow Ptcldy Ptcldy Ptcldy Ptcldy 41/79 45/67 31/44 24/42 22/45 22/50 25/55 00/00 00/50 90/60 20/30 10/10 00/10 00/10 Chester Sunny Ptcldy Snow Ptcldy Ptcldy Ptcldy Ptcldy 41/79 45/73 30/44 24/41 21/44 21/49 24/54 00/00 10/40 90/60 20/30 10/10 00/10 10/10 Chinook Ptcldy Ptcldy Rnsnow Mocldy Ptcldy Ptcldy Ptcldy 41/80 49/80 33/45 26/41 21/44 21/48 24/54 00/00 10/20 80/60 30/40 20/10 00/10 00/10 Conrad Sunny Rain Snow Ptcldy Ptcldy Ptcldy Ptcldy 42/79 45/68 30/44 25/42 22/46 23/50 25/56 00/00 10/70 90/70 30/30 10/10 10/10 10/10 Choteau Sunny Shwrs Snow Ptcldy Ptcldy Ptcldy Ptcldy 41/79 44/67 30/43 24/41 22/45 23/50 26/55 00/00 10/80 100/80 30/30 10/10 10/10 10/10 Fort Benton Sunny Rain Rnsnow Snow Ptcldy Ptcldy Ptcldy 44/85 48/80 34/47 29/45 25/48 24/53 27/58 00/00 10/50 100/80 40/50 20/10 10/10 10/10 Stanford Sunny Rain Snow Snow Ptcldy Sunny Ptcldy 45/78 50/73 30/39 23/38 21/41 22/46 25/52 00/10 10/60 100/90 50/60 20/20 10/20 10/20 White Sulphur Springs Ptcldy Rain Snow Snow Ptcldy Ptcldy Ptcldy 41/77 47/67 31/39 23/37 18/41 21/47 25/54 00/00 00/60 100/90 50/50 10/20 10/10 10/20 ...SOUTHWEST MONTANA... Bozeman Airport Ptcldy Rain Rnsnow Snow Ptcldy Ptcldy Ptcldy 39/81 42/65 32/44 23/41 17/45 20/50 25/56 00/00 00/50 100/90 60/50 10/10 10/10 10/20 Bozeman MSU Ptcldy Rain Rnsnow Snow Ptcldy Ptcldy Ptcldy 43/79 47/6432/42 24/39 18/43 22/48 25/54 00/00 00/50 100/90 60/50 20/20 10/10 10/20 West Yellowstone Ptcldy Rnsnow Snow Snow Ptcldy Ptcldy Ptcldy 28/67 33/50 29/42 19/37 12/41 15/45 17/48 00/00 20/80 100/90 80/50 30/20 20/20 10/20 Dillon Ptcldy Rain Rnsnow Mocldy Ptcldy Sunny Ptcldy 40/74 44/60 35/47 24/41 21/45 22/50 26/56 00/00 00/70 90/70 50/30 10/10 10/10 00/10 Boulder Ptcldy Rain Snow Snow Ptcldy Ptcldy Ptcldy 45/76 46/64 33/40 24/38 21/43 23/48 27/54 00/00 00/80 100/90 60/60 10/20 10/10 10/20 Townsend Ptcldy Rain Rnsnow Mocldy Ptcldy Ptcldy Ptcldy 46/82 50/69 37/45 29/43 25/47 28/53 30/58 00/00 00/60 100/90 50/40 10/10 10/10 10/10 Virginia City Ptcldy Rnsnow Snow Snow Ptcldy Ptcldy Ptcldy 43/67 44/53 32/38 21/34 18/38 20/43 25/49 00/00 00/70 90/90 70/50 20/20 10/10 10/20 $$ http://www.weather.gov/greatfalls