667
FNUS73 KFGF 131214
FWSFGF

Spot Forecast for Webster Lake RX...USDA Forest Service
National Weather Service Grand Forks ND
714 AM CDT Wed May 13 2026

Forecast is based on ignition time of 0900 CDT on May 13.
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.

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.DISCUSSION...

Sunny today with light winds...predominately northwest to north
averaging 5-8 mph.


.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 71.
Min humidity........24 percent.
Wind (20 ft)........Northwest wind around 5 mph turning north this
                    late morning and afternoon.
Mixing height.......7400 ft AGL.
Mixing winds........North 10 to 15 mph increasing to 15 to 20 mph
                    in the afternoon.
Smoke dispersal.....14100 knot-ft early in the morning increasing
                    to 111100 knot-ft in the afternoon increasing
                    to (99300 knot-ft) late in the afternoon.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   9   2   1   3   2   7   0   1
Weather cov.....
Weather type....
Tstm cov........
Temp............51  56  61  64  66  67  69  69  69
RH..............61  50  42  37  32  30  26  25  25
20 FT wind dir..NW  NW  NW  N   N   N   N   N   N
20 FT wind spd..0   5   5   5   5   5   5   5   5
20 FT wind gust.8   9   11  13  14  13  13  13  11
Mix hgt (kft)...1.4 2.3 3.3 4.9 6.3 6.5 7.4 7.1 7.1
Mixing wind dir.N   N   N   N   N   N   N   N   N
Mixing wind spd.10  15  15  20  20  20  20  15  15
Vrate kt-ft/1K..14  26  43  78  107 111 125 106 99

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 45.
Max humidity........65 percent.
Wind (20 ft)........Light winds becoming southeast around 5 mph
                    with gusts to around 19 mph overnight.
Mixing height.......300 ft AGL.
Mixing winds........North 5 to 10 mph shifting to the east late in
                    the evening, then shifting to the southeast
                    around 15 mph overnight.
Smoke dispersal.....64000 knot-ft early in the evening decreasing
                    to 2000 knot-ft late in the night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   13  4   11  7   13  18  12  17  34  37  33
Weather cov.....
Weather type....
Tstm cov........
Temp............70  69  65  57  52  50  49  48  47  47  47  46
RH..............24  25  33  42  50  50  54  58  60  63  63  65
20 FT wind dir..N   N   N   E   E   E   SE  SE  SE  SE  SE  SE
20 FT wind spd..0   0   0   0   0   0   0   5   5   5   5   5
20 FT wind gust.8   6   5   5   5   8   9   12  14  14  16  19
Mix hgt (kft)...6.4 5.2 0.6 0.5 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.4
Mixing wind dir.N   N   NE  E   E   E   E   SE  SE  S   S   S
Mixing wind spd.10  10  5   5   5   10  10  15  15  15  15  15
Vrate kt-ft/1K..64  37  3   2   2   3   3   4   5   5   6   6

.THURSDAY...

Sky/weather.........Mostly sunny (40-50 percent) then becoming
                    mostly cloudy (75-85 percent). Slight chance of
                    rain showers early in the afternoon. Chance of
                    rain showers late in the afternoon.
Max temperature.....Around 75.
Min humidity........30 percent.
Wind (20 ft)........Southeast winds 5 to 10 mph with gusts to
                    around 29 mph shifting to the south 10 to 15
                    mph with gusts to around 30 mph in the
                    afternoon.
Mixing height.......5700 ft AGL.
Mixing winds........South 15 to 20 mph increasing to 25 to 30 mph
                    early in the morning, then increasing to 35 to
                    40 mph late in the morning increasing to 45 to
                    50 mph early in the afternoon decreasing to
                    around 40 mph decreasing to around 25 mph late
                    in the afternoon.
Smoke dispersal.....6400 knot-ft early in the morning increasing to
                    104000 knot-ft in the afternoon increasing to
                    (111100 knot-ft) early in the afternoon, then
                    increasing to (243800 knot-ft) late in the
                    afternoon decreasing to (136800 knot-ft) late
                    in the afternoon decreasing to (10300 knot-ft).

$$
Forecaster...DR
Requested by...James Roerick
Type of request...PRESCRIBED
.TAG 2613493.0/FGF
.DELDT 05/12/26
.FormatterVersion 2.0.0
.EMAIL james.roerick@usda.gov