809
FNUS73 KDMX 071228
FWSDMX

Spot Forecast for 12 Mile West...Iowa DNR Grand River Wildlife Unit
National Weather Service Des Moines IA
628 AM CST Fri Nov 7 2025

Forecast is based on ignition time of 1000 CST on November 07.
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...

Breezy west-northwest winds will be increasing beginning at
ignition time. 30 mph gusts can`t be ruled out in the afternoon,
but gusts will mostly remain in the 20-25mph range. RHs will drop
into the mid to upper 30s by 2pm. Highs will be in the 60s.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 63.
Min humidity........38 percent.
Wind (20 ft)........Northwest winds 10 to 17 mph.
Mixing height.......4500 ft AGL.
Transport winds.....Northwest 22 to 28 mph decreasing to around 15
                    mph late in the afternoon.
Smoke dispersal.....Poor (11900 knot-ft) early in the morning
                    increasing to excellent (107700 knot-ft) in the
                    afternoon.
GFDI................3.

TIME (CST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........25  4   2   2   3   3   3   2
Weather cov.....
Weather type....
Tstm cov........
Temp............56  59  61  62  63  62  61  58
RH..............51  45  41  39  38  39  41  44
20 FT wind dir..W   W   W   W   W   NW  NW  NW
20 FT wind spd..15  16  17  17  17  16  14  10
20 FT wind gust.23  23  24  24  24  23  20  16
Mix hgt (kft)...1.4 2.2 3.3 3.8 4.3 4.5 2.3 0.9
Transp wind dir.NW  NW  W   W   NW  NW  W   NW
Transp wind spd.23  24  25  25  28  28  22  15
GFDI............2   3   4   4   4   3   2   2
Smoke Dispersal.28  47  73  84  103 108 44  12
Smoke Cat.......PR  FR  GD  GD  VGD VGD FR  PR

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent) then becoming
                    mostly cloudy (65-75 percent). Slight chance of
                    rain early in the morning.
Min temperature.....Around 37.
Max humidity........96 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph in the evening
                    becoming light, then becoming east around 5 mph
                    early in the morning.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 13 to 14 mph shifting to the east 6
                    to 9 mph after 3 am.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........3      2      11     42     66     81
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............52     46     42     40     38     38
RH..............56     71     82     89     96     96
20 ft wind......NW 8   NW 6   N 5    N 3    NE 3   E 3
20 ft wind gust.13     10     8      7      7      7
Mix hgt (ft)....400    400    400    400    400    400
Transport wind..NW 14  N 13   N 12   N 9    NE 8   E 6

.SATURDAY...

Sky/weather.........Cloudy (85-95 percent). Slight chance of snow
                    in the morning. Rain likely through the day.
Max temperature.....Around 44.
Min humidity........86 percent.
Wind (20 ft)........East winds 5 to 7 mph shifting to the north 9
                    to 10 mph in the afternoon.
Mixing height.......1900 ft AGL.
Transport winds.....East 7 to 12 mph shifting to the north 12 to 20
                    mph in the late morning and afternoon.

TIME (CST)      6 AM      9 AM      NOON      3 PM
Sky (%).........93        89        88        88
Weather cov.....S CHC     LIKELY    CHANCE    LIKELY
Weather type....RNSN      RAIN      RAIN      RAIN
Tstm cov........
Temp............37        41        42        43
RH..............96        93        93        86
20 FT wind......E 5G8     E 7G10    N 9G14    N 10G17
Mix hgt (ft)....400       1100      1400      1900
Transport wind..E 7       E 12      N 14      N 20

$$
Forecaster...Jimenez
Requested by...Natural Resource Tech 2
Type of request...PRESCRIBED
.TAG 2525329.0/DMX
.DELDT 11/07/25
.FormatterVersion 2.0.0
.EMAIL josh.rusk@dnr.iowa.gov