Spot Forecast
Issued by NWS Grand Forks, ND

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FNUS73 KFGF 180926
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Spot Forecast for Pool 3 MOA RX...MN DNR-Wildlife
National Weather Service Grand Forks ND
426 AM CDT Tue Aug 18 2026

Forecast is based on ignition time of 1000 CDT on August 18.
If conditions become unrepresentative, contact the National Weather
Service.

Please call the NWS in Grand Forks at 701-795-5127 for additional
information and monitor our website (www.weather.gov/fgf) or NOAA
All-Hazards Radio for the latest updates.

.DISCUSSION...

Plenty of sunshine anticipated for today with a northwest wind
averaging around 10 mph this afternoon. Lowest RH values into the
35-40 percent range. A few wind gusts to around 15 mph expected
this afternoon. Wind direction should remain pretty stable thru
the day, holding in the northwest direction.



.TODAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 73.
Min humidity........39 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph.
Mixing height.......8000 ft AGL.
Mixing winds........Northwest 10 to 15 mph increasing to 15 to 20
                    mph in the afternoon.
Smoke dispersal.....17500 knot-ft early in the morning increasing
                    to 115600 knot-ft in the afternoon increasing
                    to (112800 knot-ft) late in the afternoon.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16  16  16  17  21  26  30  21
Weather cov.....
Weather type....
Tstm cov........
Temp............63  65  67  69  70  71  71  71
RH..............65  56  49  44  42  41  39  41
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW
20 FT wind spd..5   10  10  10  10  10  10  10
20 FT wind gust.11  14  15  16  16  16  18  16
Mix hgt (kft)...1.8 5.2 6.5 7.2 7.6 8.0 8.0 7.5
Mixing wind dir.W   W   NW  NW  NW  NW  NW  NW
Mixing wind spd.10  15  15  20  20  15  20  15
Vrate kt-ft/1K..18  72  98  116 122 121 128 113

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 46.
Max humidity........89 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph in the evening
                    becoming light.
Mixing height.......400 ft AGL.
Mixing winds........Northwest 10 to 15 mph decreasing to around 5
                    mph overnight.
Smoke dispersal.....(71700 knot-ft) decreasing to (1700 knot-ft)
                    early in the evening.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........13  4   5   5   5   6   6   7   12  17  22  23
Weather cov.....
Weather type....
Tstm cov........
Temp............71  70  66  62  58  56  54  52  51  50  49  47
RH..............39  42  52  60  69  69  77  80  83  83  86  89
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  W   W   W   W   W
20 FT wind spd..10  10  5   5   5   0   0   0   0   0   0   0
20 FT wind gust.15  13  9   6       5   3   3   3   3   3   3
Mix hgt (kft)...7.2 5.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Mixing wind dir.NW  NW  NW  NW  NW  NW  NW  NW  W   W   W   NW
Mixing wind spd.15  15  10  10  10  10  5   5   5   5   5   5
Vrate kt-ft/1K..108 72  4   4   3   3   3   2   2   2   2   2

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 76.
Min humidity........40 percent.
Wind (20 ft)........Light winds becoming south around 5 mph late in
                    the morning, then shifting to the west in the
                    afternoon.
Mixing height.......8200 ft AGL.
Mixing winds........Northwest around 5 mph shifting to the north
                    early in the morning, then shifting to the
                    southeast late in the morning shifting to the
                    west in the late morning and afternoon.
Smoke dispersal.....1700 knot-ft early in the morning increasing to
                    73400 knot-ft in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........23  24  19  15  10  14  17  21  27  33  40  45
Weather cov.....
Weather type....
Tstm cov........
Temp............47  48  54  60  65  68  70  72  73  74  74  74
RH..............89  89  80  72  63  53  47  44  43  40  40  43
20 FT wind dir..W   N   SE  SE  SE  S   SW  W   W   W   W   W
20 FT wind spd..0   0   0   0   0   5   5   5   5   5   5   5
20 FT wind gust.2   3   3   3   5   6   7   9   8   8   9   8
Mix hgt (kft)...0.4 0.4 0.6 1.1 1.9 4.3 6.1 7.3 8.1 8.2 7.6 6.7
Mixing wind dir.W   NW  N   SE  W   W   W   W   W   W   W   SW
Mixing wind spd.5   5   5   5   5   10  10  10  10  10  10  10
Vrate kt-ft/1K..2   2   3   5   10  30  48  51  73  73  61  54

$$
Forecaster...DR
Requested by...Ross Lindholm
Type of request...PRESCRIBED
.TAG 2619879.0/FGF
.DELDT 08/18/26
.FormatterVersion 2.0.0
.EMAIL ross.lindholm@state.mn.us