Spot Forecast
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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FNUS73 KDMX 222000
FWSDMX
Spot Forecast for ELK CREEK POOL B WPA...USFWS -WFS
National Weather Service Des Moines IA
300 PM CDT Wed Apr 22 2026
Forecast is based on ignition time of 1500 CDT on April 22.
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...
Sunny and clear conditions are expected through the remainder of
today. Winds will remain from the south up to 20 mph with wind
gusts up to 25 mph. Relative humidity will bottom out around 40%
within the next few hours.
.REST OF TODAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 81.
Min humidity........42 percent.
Wind (20 ft)........South winds 17 to 20 mph.
Mixing height.......4600 ft AGL.
Transport winds.....South 24 to 28 mph.
Smoke dispersal.....Good (89800 knot-ft) early in the morning
increasing to very good (109600 knot-ft) in the
afternoon.
GFDI................7.
TIME (CDT) 3PM 4PM 5PM
Sky (%).........9 4 4
Weather cov.....
Weather type....
Tstm cov........
Temp............80 80 80
RH..............42 44 44
20 FT wind dir..S S S
20 FT wind spd..17 18 20
20 FT wind gust.25 28 28
Mix hgt (kft)...4.3 4.6 4.6
Transp wind dir.S S S
Transp wind spd.24 26 28
GFDI............6 7 7
Smoke Dispersal.90 106 110
Smoke Cat.......GD VGD VGD
.TONIGHT...
Sky/weather.........Partly cloudy (20-30 percent) then becoming
mostly cloudy (70-80 percent).
Min temperature.....Around 58.
Max humidity........87 percent.
Wind (20 ft)........South winds 16 to 20 mph.
Mixing height.......600 ft AGL.
Transport winds.....South 21 to 28 mph.
Smoke dispersal.....Good (93800 knot-ft) early in the evening
decreasing to poor (11500 knot-ft) late in the
night.
GFDI................5.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........7 9 5 6 10 12 26 46 65 65 81 80
Weather cov.....
Weather type....
Tstm cov........
Temp............79 76 72 70 67 65 64 62 62 61 60 60
RH..............45 50 57 61 68 73 75 84 81 84 87 87
20 FT wind dir..S S S S S S S S S S S S
20 FT wind spd..20 17 16 16 16 16 16 16 16 16 16 16
20 FT wind gust.29 26 28 26 28 25 25 26 25 25 28 26
Mix hgt (kft)...3.9 1.7 0.7 0.6 0.7 0.7 0.8 0.8 0.8 0.9 1.3 1.3
Transp wind dir.S S S S S S S S S S S S
Transp wind spd.28 25 21 22 23 23 23 25 24 25 28 26
GFDI............7 5 4 4 3 3 3 2 2 2 2 2
Smoke Dispersal.94 38 12 12 15 14 17 18 18 20 32 29
Smoke Cat.......GD PR PR PR PR PR PR PR PR PR PR PR
.THURSDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Showers and
chance of thunderstorms in the afternoon.
Max temperature.....Around 68.
Min humidity........81 percent.
Wind (20 ft)........South winds 16 to 21 mph with gusts to around
33 mph. Gusty and erratic winds expected near
thunderstorms early in the afternoon. Gusty and
erratic winds expected near thunderstorms late
in the afternoon.
Mixing height.......2500 ft AGL.
Transport winds.....South 23 to 31 mph increasing to 26 to 35 mph
late in the morning.
Smoke dispersal.....Poor (31000 knot-ft) early in the morning
increasing to good (75600 knot-ft) in the
afternoon.
GFDI................3.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81 72 88 85 80 82 86 89 90 89 88 84
Weather cov..... CHC CHC CHC LKY LKY DEF
Weather type.... RW RW RW RW RW RW
Tstm cov........ SCH SCH SCH CHC CHC
Temp............60 60 61 62 64 66 67 67 67 68 68 68
RH..............87 90 90 90 87 84 81 81 84 84 84 84
20 FT wind dir..S S S S S S S S S S S S
20 FT wind spd..17 16 17 20 20 21 21 21 20 18 17 18
20 FT wind gust.28 28 29 31 32 32 33 33 32 31 31 29
Mix hgt (kft)...1.6 1.5 1.8 1.9 2.2 2.5 2.3 2.1 2.0 2.2 2.0 1.7
Transp wind dir.S S S S S S S S S S S S
Transp wind spd.25 23 25 29 31 35 32 32 32 31 30 26
GFDI............3 2 3 3 4 4 4 4 4 4 3 3
Smoke Dispersal.36 31 39 48 60 76 63 59 57 58 51 39
Smoke Cat.......PR PR PR FR FR GD GD FR FR FR FR PR
$$
Forecaster...Rotter/Lee
Requested by...RYAN HARR
Type of request...PRESCRIBED
.TAG 2611398.0/DMX
.DELDT 04/22/26
.FormatterVersion 2.0.0
.EMAIL ryan_harr@fws.gov