Spot Forecast
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
607
FNUS73 KDMX 051616
FWSDMX
Spot Forecast for Brush Pile Burn...IOWA DNR
National Weather Service Des Moines IA
1016 AM CST Thu Mar 5 2026
Forecast is based on ignition time of 1100 CST on March 05.
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...
Winds will be light out of the southeast for the rest of today,
with relative humidity values remaining on the higher side as
minimum values top out in the low 60s by the afternoon. Skies
will remain mostly cloudy, with highs expected around 60 degrees.
Showers and storms move in late tonight and remain possible into
Friday morning.
.REST OF TODAY...
Sky/weather.........Mostly cloudy (65-75 percent).
Max temperature.....Around 59.
Min humidity........66 percent.
Wind (20 ft)........East winds around 5 mph shifting to the
southeast 5 to 7 mph in the afternoon.
Mixing height.......2900 ft AGL.
Transport winds.....Southeast 6 to 8 mph shifting to the south 9 to
10 mph late in the afternoon.
Smoke dispersal.....Poor (5000 knot-ft) early in the morning
increasing to fair (20600 knot-ft) in the
afternoon.
GFDI................2.
TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........80 81 76 61 59 61 60
Weather cov.....
Weather type....
Tstm cov........
Temp............48 50 51 53 55 55 54
RH..............83 77 77 71 66 66 71
20 FT wind dir..E SE SE SE SE SE SE
20 FT wind spd..5 6 6 7 7 6 5
20 FT wind gust.8 9 8 8 10 10 10
Mix hgt (kft)...1.0 1.3 1.9 2.4 2.9 2.3 1.5
Transp wind dir.E SE SE SE SE S S
Transp wind spd.6 6 7 7 8 9 10
GFDI............1 1 1 1 2 1 1
Smoke Dispersal.5 7 11 15 21 19 13
Smoke Cat.......PR PR PR PR PR PR PR
.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) then becoming
partly cloudy (40-50 percent) then becoming
mostly cloudy (70-80 percent). Chance of rain
showers overnight. Chance of thunderstorms
overnight. Rain showers after 3 am.
Min temperature.....Around 45.
Max humidity........100 percent.
Wind (20 ft)........Light winds becoming southeast 5 to 12 mph.
Gusty and erratic winds expected near
thunderstorms overnight.
Mixing height.......600 ft AGL.
Transport winds.....South 10 to 18 mph shifting to the southeast
around 20 mph early in the morning.
Smoke dispersal.....Fair (14700 knot-ft) early in the evening
decreasing to poor (5400 knot-ft) late in the
night.
GFDI................2.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........62 56 51 46 55 58 77 69 80 85 90 91
Weather cov..... CHC DEF DEF DEF
Weather type.... RW RW RW RW
Tstm cov........ CHC CHC CHC CHC
Temp............54 52 50 49 48 47 46 47 47 47 48 50
RH..............71 74 83 86 89 93 96 96 96 100 100 96
20 FT wind dir..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT wind spd..3 5 6 6 6 7 7 8 9 10 10 12
20 FT wind gust.8 9 12 13 14 14 14 16 17 18 20 21
Mix hgt (kft)...0.6 0.6 0.6 0.6 0.6 0.6 0.7 0.7 0.8 0.8 0.9 0.9
Transp wind dir.S S S S S S S S SE SE SE SE
Transp wind spd.10 12 13 15 15 15 15 16 17 18 18 20
GFDI............1 1 1 1 2 2 1 2 2 2 2 3
Smoke Dispersal.5 6 6 8 8 8 9 10 11 13 14 15
Smoke Cat.......PR PR PR PR PR PR PR PR PR PR PR PR
.FRIDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Rain showers in
the morning. Chance of thunderstorms through
the day. Rain showers likely in the afternoon.
Max temperature.....Around 71.
Min humidity........71 percent.
Wind (20 ft)........South winds 13 to 16 mph increasing to 15 to 17
mph in the afternoon. Gusty and erratic winds
expected near thunderstorms early in the
morning. Gusty and erratic winds expected near
thunderstorms late in the morning, then gusty
and erratic winds expected near thunderstorms
late in the afternoon.
Mixing height.......5300 ft AGL.
Transport winds.....South 17 to 26 mph increasing to 24 to 32 mph
in the afternoon.
Smoke dispersal.....Fair (13400 knot-ft) early in the morning
increasing to excellent (105800 knot-ft) in the
afternoon increasing to excellent (60400
knot-ft) late in the afternoon.
GFDI................6.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........86 89 87 85 84 83 81 78 74 71 70 70
Weather cov.....DEF DEF DEF DEF DEF DEF LKY LKY LKY LKY LKY LKY
Weather type....RW RW RW RW RW RW RN RN RN RW RW RW
Tstm cov........CHC CHC CHC SCH SCH SCH CHC CHC CHC
Temp............51 53 55 57 60 63 66 68 70 70 70 68
RH..............100 100 100 96 90 87 81 76 71 71 71 76
20 FT wind dir..SE SE S S S S S S S S S S
20 FT wind spd..13 14 14 14 15 16 17 17 17 17 16 15
20 FT wind gust.22 23 23 23 24 24 25 26 26 26 25 23
Mix hgt (kft)...0.9 1.1 1.3 1.4 1.7 2.1 2.4 2.3 3.8 5.3 4.1 2.9
Transp wind dir.SE SE S S S S S S S S S S
Transp wind spd.17 18 22 23 24 26 30 32 32 30 28 24
GFDI............3 4 4 4 5 6 7 8 9 9 8 7
Smoke Dispersal.13 17 24 29 35 48 62 65 106 138 97 60
Smoke Cat.......PR PR PR PR PR FR GD GD VGD VGD GD GD
$$
Forecaster...Bury
Requested by...Brian Andera
Type of request...PRESCRIBED
.TAG 2604858.0/DMX
.DELDT 03/05/26
.FormatterVersion 2.0.0
.EMAIL brian.andera@dnr.iowa.gov