FNUS73 KDMX 201142 FWSDMX Spot Forecast for Mitchell SE...Iowa DNR National Weather Service Des Moines IA 642 AM CDT Mon Apr 20 2026 Forecast is based on ignition time of 0800 CDT on April 20. If conditions become unrepresentative...contact the National Weather Service. An initial observation at ignition and a mid burn observation are required. Please relay them to the National Weather Service for each prescribed burn. .DISCUSSION... Light winds from the east will switch to coming from the southeast within the first hour of ignition time. Gusts up to 25mph possible today. RHs will drop to near 30% with highs near 70 degrees. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Max temperature.....Around 70. Min humidity........37 percent. Wind (20 ft)........Southeast winds 9 to 16 mph shifting to the south around 16 mph late in the afternoon. Mixing height.......3800 ft AGL. Transport winds.....South 16 to 22 mph. Smoke dispersal.....Poor (7700 knot-ft) early in the morning increasing to good (72800 knot-ft) in the afternoon. GFDI................2. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........4 3 1 1 2 3 1 3 5 5 Weather cov..... Weather type.... Tstm cov........ Temp............40 46 50 54 58 61 63 67 68 69 RH..............67 55 50 45 40 41 41 39 37 37 20 FT wind dir..SE SE SE SE SE S S S S S 20 FT wind spd..9 13 14 15 15 16 15 16 16 16 20 FT wind gust.20 22 23 23 23 22 22 22 23 24 Mix hgt (kft)...0.6 1.2 1.8 2.0 2.4 2.8 2.9 3.3 3.7 3.8 Transp wind dir.SE SE SE SE S S S S S S Transp wind spd.16 20 21 21 21 20 20 20 21 22 GFDI............1 1 2 2 2 2 3 3 3 3 Smoke Dispersal.8 21 32 36 43 47 50 57 66 73 Smoke Cat.......PR PR PR PR FR FR FR FR GD GD .TONIGHT... Sky/weather.........Mostly clear (20-30 percent) then becoming mostly cloudy (65-75 percent) then becoming partly cloudy (45-55 percent) then becoming mostly cloudy (50-60 percent) then becoming partly cloudy (30-40 percent). Min temperature.....Around 52. Max humidity........71 percent. Wind (20 ft)........South winds 13 to 18 mph. Mixing height.......600 ft AGL. Transport winds.....Southwest 16 to 25 mph. Smoke dispersal.....Good (61400 knot-ft) early in the evening decreasing to poor (8800 knot-ft) late in the night. GFDI................3. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........3 3 8 25 38 42 38 71 49 56 34 40 Weather cov..... Weather type.... Tstm cov........ Temp............70 68 64 61 60 60 59 58 57 57 55 54 RH..............36 40 48 56 58 55 55 57 62 62 66 71 20 FT wind dir..S S S S S S S SW SW SW SW SW 20 FT wind spd..16 13 13 15 17 17 17 18 18 18 17 17 20 FT wind gust.23 22 20 23 25 25 25 25 25 25 24 23 Mix hgt (kft)...3.4 0.7 0.6 0.6 0.7 0.6 0.7 0.7 0.7 0.7 0.7 0.7 Transp wind dir.S S S S S SW SW SW SW SW SW SW Transp wind spd.21 16 18 21 24 25 24 24 23 23 22 22 GFDI............3 2 2 2 2 2 2 2 2 2 2 2 Smoke Dispersal.61 10 9 11 14 13 14 14 14 13 14 14 Smoke Cat.......GD PR PR PR PR PR PR PR PR PR PR PR .TUESDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....Around 81. Min humidity........41 percent. Wind (20 ft)........Southwest winds 10 to 16 mph. Mixing height.......5000 ft AGL. Transport winds.....Southwest 21 to 28 mph decreasing to 14 to 18 mph in the afternoon. Smoke dispersal.....Poor (11500 knot-ft) early in the morning increasing to good (68000 knot-ft) in the afternoon. GFDI................2. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........19 14 14 9 3 7 12 16 12 7 3 6 Weather cov..... Weather type.... Tstm cov........ Temp............54 52 56 60 65 69 73 76 78 80 81 81 RH..............74 83 77 75 68 61 55 50 47 42 41 41 20 FT wind dir..SW SW SW SW SW SW SW SW SW SW SW SW 20 FT wind spd..16 15 15 16 16 16 15 14 13 13 12 10 20 FT wind gust.23 22 23 23 23 22 21 20 18 17 16 14 Mix hgt (kft)...0.7 0.6 1.3 1.6 1.9 2.4 2.9 3.4 4.2 4.9 5.0 3.8 Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW SW Transp wind spd.22 22 26 28 25 23 21 18 17 16 15 14 GFDI............1 1 2 2 2 2 2 2 2 2 2 2 Smoke Dispersal.13 12 29 39 42 48 52 55 63 68 65 45 Smoke Cat.......PR PR PR PR FR FR FR FR GD GD GD FR $$ Forecaster...Jimenez Requested by...Dray Walter Type of request...PRESCRIBED .TAG 2610794.0/DMX .DELDT 04/20/26 .FormatterVersion 2.0.0 .EMAIL dray.walter@dnr.iowa.gov