356
FNUS73 KFGF 112152
FWSFGF

Spot Forecast for Walsh Co. Wildfire...EM
National Weather Service Grand Forks ND
452 PM CDT Mon May 11 2026

Forecast is based on forecast start time of 1700 CDT on May 11.
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.

...RED FLAG WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...WIND ADVISORY IN EFFECT FROM 9 AM TO 7 PM CDT TUESDAY...

.DISCUSSION...

RH values as low as 20 percent are forecasted for the next several
hours. RH will rebound after sunset, with values in the 60 to 80
percent range by sunrise Tuesday. RH will not be as low on
Tuesday, bottoming out in the afternoon hours around 40 percent.

Southerly winds will continue this evening, with gusts of 30 to
35 mph until sunset. A few showers this evening/tonight may bring
briefly higher and erratic winds. Overnight, winds will shift to
the west/northwest, and decrease. However, winds will rapidly
increase on Tuesday, with gusts of up to 55 mph out of the
northwest.

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent)Chance of rain
                    showers in the evening. Slight chance of
                    thunderstorms through the night.
Min temperature.....Around 47.
Max humidity........86 percent.
Wind (20 ft)........Breezy. Southeast winds 20 to 25 mph with gusts
                    to around 32 mph decreasing to 10 to 15 mph
                    with gusts to around 23 mph late in the
                    evening, then shifting to the west with gusts
                    to around 23 mph overnight shifting to the
                    northwest around 20 mph with gusts to around 30
                    mph after 3 am. Gusty and erratic winds
                    expected near thunderstorms late in the
                    evening.
Mixing height.......500 ft AGL.
Mixing winds........South 30 to 35 mph decreasing to 15 to 20 mph
                    early in the evening, then shifting to the
                    southwest around 10 mph overnight shifting to
                    the northwest 15 to 20 mph overnight increasing
                    to around 25 mph.
Smoke dispersal.....115800 knot-ft early in the evening decreasing
                    to 23600 knot-ft late in the night decreasing
                    to 23800 knot-ft early in the evening
                    decreasing to 5600 knot-ft late in the night in
                    the late evening and overnight.

TIME (CDT)      5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........77  64  45  55  64  40  43  53  56  62  39  53  59
Weather cov.....        SCH CHC SCH CHC SCH
Weather type....        RW  RW  RW  RW  RW
Tstm cov........                SCH SCH SCH
Temp............68  68  67  63  58  56  55  53  52  52  52  50  49
RH..............21  21  24  32  47  53  57  66  74  77  80  86  83
20 FT wind dir..S   S   S   S   SE  SE  SE  SE  W   W   W   NW  NW
20 FT wind spd..25  25  20  20  20  20  15  10  10  10  15  20  20
20 FT wind gust.32  32  28  28  27  26  23  20  15  20  23  28  30
Mix hgt (kft)...4.3 4.0 3.4 1.3 0.6 0.5 0.5 0.5 0.6 0.7 1.0 1.1 1.2
Mixing wind dir.S   S   S   S   S   S   S   S   SW  NW  NW  NW  NW
Mixing wind spd.35  35  30  20  20  20  20  15  10  15  20  20  25
Vrate kt-ft/1K..125 116 93  24  10  9   8   7   6   8   15  21  24

.TUESDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    sunny (20-30 percent).
Max temperature.....Around 64.
Min humidity........43 percent.
Wind (20 ft)........Windy. Northwest winds 20 to 25 mph with gusts
                    to around 35 mph increasing to 25 to 30 mph
                    with gusts to around 55 mph in the late morning
                    and afternoon.
Mixing height.......6500 ft AGL.
Mixing winds........Northwest 25 to 30 mph increasing to 35 to 40
                    mph in the late morning and afternoon.
Smoke dispersal.....24100 knot-ft early in the morning increasing
                    to 113800 knot-ft in the afternoon increasing
                    to (131400 knot-ft) in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........56  71  86  89  85  79  55  47  46  27  10  1
Weather cov.....
Weather type....
Tstm cov........
Temp............48  47  49  50  52  54  55  55  59  61  62  64
RH..............83  86  83  80  71  66  64  61  51  50  48  43
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  N   N   N   N
20 FT wind spd..20  25  25  30  30  30  25  25  25  25  25  30
20 FT wind gust.32  32  35  37  39  37  41  44  48  50  48  48
Mix hgt (kft)...1.1 1.7 2.5 3.1 3.3 3.4 4.0 4.5 5.1 6.0 6.5 6.5
Mixing wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  N   N
Mixing wind spd.25  30  30  35  35  40  40  40  40  40  40  40
Vrate kt-ft/1K..24  40  67  97  107 114 131 153 169 204 220 213

$$
Forecaster...BR
Requested by...Emergency Manager
Type of request...WILDFIRE
.TAG 2613409.0/FGF
.DELDT 05/11/26
.FormatterVersion 2.0.0
.EMAIL newmantim@nd.gov