Spot Forecast
Issued by NWS Des Moines, IA

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Spot Forecast for Sac and Fox Rx Pile Burn...Bureau of Indian Affairs
National Weather Service Des Moines IA
558 AM CDT Mon Jul 14 2025

Forecast is based on ignition time of 1100 CDT on July 14.
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...

Mostly sunny skies are expected today, with high temperatures in
the upper 80s. Winds will generally be southerly, at 5-10 mph,
with minimum RH values around 50%.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 87.
Min humidity........53 percent.
Wind (20 ft)........South winds 5 to 7 mph.
Mixing height.......3900 ft AGL.
Transport winds.....South 6 to 9 mph.
Smoke dispersal.....Poor (12600 knot-ft) early in the morning
                    increasing to good (30700 knot-ft) in the
                    afternoon.
GFDI................0.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   2   5   2   6   4   4
Weather cov.....
Weather type....
Tstm cov........
Temp............80  82  84  85  86  86  86
RH..............65  61  57  55  53  53  55
20 FT wind dir..SW  S   S   S   S   S   S
20 FT wind spd..5   6   6   6   7   7   6
20 FT wind gust.7   8   9   9   8   8   8
Mix hgt (kft)...2.5 3.2 3.4 3.7 3.9 3.8 3.7
Transp wind dir.S   S   S   S   S   S   S
Transp wind spd.6   6   7   7   8   9   9
GFDI............0   0   0   0   0   0   0
Smoke Dispersal.13  16  21  22  27  31  29
Smoke Cat.......PR  PR  PR  PR  PR  PR  PR

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 65.
Max humidity........87 percent.
Wind (20 ft)........South winds 5 to 6 mph early in the evening
                    becoming light, then becoming south 5 to 6 mph
                    in the late evening and overnight.
Mixing height.......400 ft AGL.
Transport winds.....South 7 to 12 mph.
Smoke dispersal.....Fair (27100 knot-ft) early in the evening
                    decreasing to poor (2500 knot-ft) late in the
                    night.
GFDI................0.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........3      2      1      1      3      8
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............87     83     74     71     68     67
RH..............52     61     82     84     87     87
20 ft wind......S 6    S 3    S 5    S 5    S 5    S 5
20 ft wind gust.8      6      6      6      7      7
Mix hgt (ft)....3400   400    400    400    400    400
Transport wind..S 9    S 7    S 8    S 12   S 10   S 12
GFDI............0      0      0      0      0      0
Smoke Dispersal.27     3      3      4      4      4
Smoke Cat.......POOR   POOR   POOR   POOR   POOR   POOR

.TUESDAY...

Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 87.
Min humidity........55 percent.
Wind (20 ft)........South winds around 5 mph early in the morning
                    becoming light, then becoming south 5 to 8 mph
                    early in the morning.
Mixing height.......4000 ft AGL.
Transport winds.....South 9 to 14 mph.
Smoke dispersal.....Poor (3200 knot-ft) early in the morning
                    increasing to good (37000 knot-ft) in the
                    afternoon.
GFDI................0.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........17        20        12        11
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............65        74        83        86
RH..............97        82        63        55
20 FT wind......S 5G7     S 6G10    S 8G14    S 7G13
Mix hgt (ft)....400       1200      3000      3900
Transport wind..S 10      S 12      S 13      S 10
GFDI............0         0         0         0
Smoke Dispersal.4         12        33        37
Smoke Cat.......POOR      POOR      POOR      POOR

$$
Forecaster...Bury
Requested by...Martin Cassellius
Type of request...PRESCRIBED
.TAG 2517943.0/DMX
.DELDT 07/14/25
.FormatterVersion 2.0.0
.EMAIL martin.cassellius@bia.gov