373
FNUS73 KDMX 031439
FWSDMX

Spot Forecast for Saylorville Lake RX Fire...US Army Corps of Engineers
National Weather Service Des Moines IA
839 AM CST Mon Nov 3 2025

Forecast is based on ignition time of 0900 CST on November 03.
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...

Warmer and dry today with a high near 60 degrees. Wind this
morning will be out of the northwest, shift to more out of the
west after noon at around 10 mph. Wind could gust near 15 mph.
Relative humidity will drop off into the afternoon, to around
30-35%.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 61.
Min humidity........40 percent.
Wind (20 ft)........Northwest winds 6 to 9 mph shifting to the west
                    around 5 mph late in the afternoon.
Mixing height.......3500 ft AGL.
Transport winds.....West 6 to 15 mph.
Smoke dispersal.....Poor (2600 knot-ft) early in the morning
                    increasing to good (45400 knot-ft) in the
                    afternoon.
GFDI................1.

TIME (CST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   3   7   6   3   5   11  17  24
Weather cov.....
Weather type....
Tstm cov........
Temp............46  50  53  56  57  57  58  58  56
RH..............71  58  52  43  40  42  40  42  45
20 FT wind dir..NW  NW  NW  W   W   W   W   W   W
20 FT wind spd..7   8   8   9   9   8   7   6   5
20 FT wind gust.14  15  15  16  16  16  14  12  8
Mix hgt (kft)...0.7 1.3 1.7 2.2 2.8 3.5 3.3 1.0 0.5
Transp wind dir.NW  NW  NW  W   W   W   W   W   W
Transp wind spd.12  13  12  13  14  15  13  7   6
GFDI............0   0   0   0   1   1   0   0   0
Smoke Dispersal.7   14  17  24  33  45  36  6   3
Smoke Cat.......PR  PR  PR  PR  PR  FR  PR  PR  PR

$$
Forecaster...Hagenhoff
Requested by...John Benjamin
Type of request...PRESCRIBED
.TAG 2524949.0/DMX
.DELDT 11/03/25
.FormatterVersion 2.0.0
.EMAIL John.R.Benjamin@usace.army.mil