FNUS73 KDVN 201433 FWSDVN Spot Forecast for Cedar Bottoms...Iowa Department of Natural Resources National Weather Service Quad Cities IA/IL 933 AM CDT Mon Apr 20 2026 Forecast is based on ignition time of 0900 CDT on April 20. If conditions become unrepresentative...contact the National Weather Service Quad Cities at (563) 386-3815. .DISCUSSION... Temperatures in the mid 40s will warm to the lower 60s this afternoon over the burn area. Southerly winds will increase to 10 to 15 mph, with minimum relative humidity values between 30 to 40 percent. Mostly dry conditions will prevail through Wednesday night, with perhaps a low to medium chance (10-40%) of a shower or storm Tuesday late afternoon and evening. The Grassland Fire Danger Index -GFDI- does not account for precipitation that occurs or any snow on the ground. Please make appropriate adjustments. .REST OF TODAY... Sky/weather.........Sunny (5-15 percent). Chance of pcpn......0 percent. Chance of thunder...0 percent. Begin/end of pcpn...N/A. Max temperature.....Around 61. Min humidity........30 percent. Min apparent temp...36. Eye level winds.....Southeast winds up to 10 mph. Wind shift..........Becoming south by early afternoon. Wind (20 ft)........Southeast winds 6 to 13 mph. Mixing height.......3900 ft AGL. Transport winds.....South 8 to 17 mph. Smoke dispersal.....Poor (10300 knot-ft) early in the morning increasing to good (56300 knot-ft) in the afternoon. GFDI................2. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........4 1 1 1 5 2 1 4 20 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 Temp............43 47 49 52 55 57 59 60 60 RH..............55 42 39 35 32 31 30 31 32 Aparnt tmp (F)..36 44 46 52 55 57 59 60 60 20 FT wind dir..SE SE SE S S S S S S 20 FT wind spd..6 7 8 9 10 10 12 13 13 20 FT wind gust.9 12 13 14 15 16 17 18 18 Eye lvl wnd dir.SE SE SE S S S S S S Eye lvl wnd spd.4 4 5 5 6 6 7 8 8 Eye lvl wnd gst.5 7 8 8 9 10 10 11 11 Mix hgt (kft)...1.5 2.9 3.2 3.5 3.8 3.8 3.9 3.8 3.8 Transp wind dir.SE S S S S S S S S Transp wind spd.8 9 8 9 10 12 13 15 17 GFDI............1 1 1 2 2 2 3 3 3 SDspl kt-ft/100010 23 22 28 35 38 42 50 56 .TONIGHT... Sky/weather.........Partly cloudy (20-30 percent). Chance of pcpn......0 percent. Chance of thunder...0 percent. Begin/end of pcpn...N/A. Min temperature.....Around 49. Max humidity........77 percent. Max apparent temp...60. Eye level winds.....South winds 6 to 8 mph. Wind shift..........N/A. Wind (20 ft)........South winds 10 to 13 mph. Mixing height.......500 ft AGL. Transport winds.....South 13 to 18 mph. Smoke dispersal.....Good (49500 knot-ft) early in the evening decreasing to poor (5800 knot-ft) late in the night. GFDI................2. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........20 4 4 35 49 27 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 Temp............60 56 51 51 51 50 RH..............33 42 56 61 71 77 Aparnttmp (F)..60 56 51 51 51 46 20 ft wind......S 13 S 10 S 10 S 12 S 12 S 10 20 ft wind gust.18 16 18 21 22 22 Eye level wind..S 8 S 6 S 6 S 7 S 7 S 6 Eye lvl wnd gst.11 10 11 13 13 13 Mix hgt (ft)....3100 500 600 600 600 600 Transport wind..S 18 S 13 S 17 S 17 S 18 SW 17 GFDI............3 2 2 2 2 1 SDspl kt-ft/100050 6 8 9 9 8 .TUESDAY... Sky/weather.........Sunny (15-25 percent). Slight chance of rain showers late in the afternoon. Chance of pcpn......20 percent. Chance of thunder...3 percent. Begin/end of pcpn...N/A. Max temperature.....Around 78. Min humidity........45 percent. Max apparent temp...78. Eye level winds.....Southwest winds 5 to 8 mph. Wind shift..........N/A. Wind (20 ft)........Southwest winds 9 to 14 mph. Mixing height.......4100 ft AGL. Transport winds.....Southwest 15 to 24 mph. Smoke dispersal.....Poor (7900 knot-ft) early in the morning increasing to excellent (70300 knot-ft) in the afternoon. GFDI................3. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........24 22 17 18 20 25 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 10 Chc of thdr (%).0 0 0 0 0 0 Temp............50 54 64 71 76 78 RH..............77 71 60 53 48 45 Aparnt tmp (F)..46 54 64 71 76 78 20 ft wind......S 9 SW 12 SW 14 SW 14 SW 14 SW 13 20 ft wind gust.21 23 23 22 21 20 Eye level wind..S 5 SW 7 SW 8 SW 8 SW 8 SW 8 Eye lvl wnd gst.13 14 14 13 13 12 Mix hgt (ft)....600 1300 2300 3300 4000 3900 Transport wind..SW 16 SW 22 SW 23 SW 21 SW 20 W 18 GFDI............1 2 3 3 3 3 SDspl kt-ft/10009 24 47 60 68 62 $$ Forecaster...Friedlein Requested by...Noah Robb Type of request...PRESCRIBED .TAG 2610878.0/DVN .DELDT 04/20/26 .FormatterVersion 2.0.0