598
FNUS73 KDMX 081154
FWSDMX

Spot Forecast for Natives south of Dannys...Iowa DNR
National Weather Service Des Moines IA
654 AM CDT Fri Aug 8 2025

Forecast is based on ignition time of 1000 CDT on August 08.
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.

...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING...

.DISCUSSION...

Hot and humid today with high temperatures in the low 90s and
heat indices expected to exceed 100 degrees. Minimum relative
humidity values not expected to fall below 50% but winds out of
the south will be on the increase through the day sustained around
15 mph with gusts to 25 to 30 mph.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 91.
Min humidity........61 percent.
Wind (20 ft)........South winds 14 to 16 mph.
Mixing height.......3200 ft AGL.
Transport winds.....South 23 to 28 mph.
Smoke dispersal.....Good (33600 knot-ft) early in the morning
                    increasing to excellent (76900 knot-ft) in the
                    afternoon.
GFDI................0.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........14  15  12  17  17  23  13  12
Weather cov.....
Weather type....
Tstm cov........
Temp............80  83  86  88  88  89  90  89
RH..............77  72  68  63  63  64  62  61
20 FT wind dir..S   S   S   S   S   S   S   S
20 FT wind spd..14  14  15  15  15  16  16  15
20 FT wind gust.22  25  25  25  25  25  26  25
Mix hgt (kft)...1.7 2.0 2.4 2.7 3.0 3.1 3.2 3.0
Transp wind dir.S   S   S   S   S   S   S   S
Transp wind spd.23  24  24  24  26  28  28  28
GFDI............0   0   0   0   0   0   0   0
Smoke Dispersal.34  41  50  56  69  75  77  71
Smoke Cat.......PR  FR  FR  FR  GD  GD  GD  GD

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....Around 75.
Max humidity........76 percent.
Wind (20 ft)........South winds 10 to 14 mph.
Mixing height.......500 ft AGL.
Transport winds.....South 18 to 24 mph.
Smoke dispersal.....Good (49600 knot-ft) early in the evening
                    decreasing to poor (8500 knot-ft) late in the
                    night.
GFDI................0.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........17  19  17  24  29  28  29  30  32  36  38  35
Weather cov.....
Weather type....
Tstm cov........
Temp............89  88  85  84  83  82  82  82  81  80  78  77
RH..............64  66  70  70  72  72  72  67  69  72  74  76
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..14  13  13  13  13  13  13  13  13  12  12  10
20 FT wind gust.24  22  22  23  23  24  24  23  23  23  22  21
Mix hgt (kft)...2.4 1.1 0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.6
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.24  20  20  21  21  21  22  21  20  20  18  18
GFDI............0   0   0   0   0   0   0   0   0   0   0   0
Smoke Dispersal.50  19  9   9   10  9   10  11  9   10  9   10
Smoke Cat.......FR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.SATURDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    showers and thunderstorms in the afternoon.
Max temperature.....Around 88.
Min humidity........70 percent.
Wind (20 ft)........South winds 7 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
Mixing height.......2600 ft AGL.
Transport winds.....South 15 to 21 mph decreasing to 9 to 10 mph in
                    the afternoon.
Smoke dispersal.....Poor (6500 knot-ft) early in the morning
                    increasing to good (35700 knot-ft) in the
                    afternoon.
GFDI................0.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........38  36  31  35  33  38  51  63  60  58  55  48
Weather cov.....                            SCH SCH SCH SCH SCH
Weather type....                            RW  RW  RW  RW  RW
Tstm cov........                            SCH SCH SCH SCH SCH
Temp............77  75  77  79  81  83  84  85  85  86  86  86
RH..............76  82  82  79  77  72  70  70  70  70  70  70
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..10  10  10  10  10  10  10  10  9   9   8   7
20 FT wind gust.20  18  18  18  18  18  18  17  16  15  14  12
Mix hgt (kft)...0.6 0.5 1.3 1.8 2.1 2.2 2.4 2.6 2.6 2.5 2.2 1.8
Transp wind dir.S   S   S   S   S   SW  SW  SW  S   S   S   S
Transp wind spd.16  15  18  21  20  18  15  10  9   10  10  9
GFDI............0   0   0   0   0   0   0   0   0   0   0   0
Smoke Dispersal.8   7   20  33  36  35  31  23  21  21  20  14
Smoke Cat.......PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...05
Requested by...Dray Walter (WL Tech I)
Type of request...PRESCRIBED
.TAG 2519510.0/DMX
.DELDT 08/08/25
.FormatterVersion 2.0.0
.EMAIL dray.walter@dnr.iowa.gov