294
FNUS73 KFGF 101033
FWSFGF

Spot Forecast for Grand Forks AFB Rx...USFWS
National Weather Service Grand Forks ND
533 AM CDT Sat May 10 2025

Forecast is based on ignition time of 0630 CDT on May 10.
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 FROM 11 AM THIS MORNING TO 9 PM CDT
THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

.DISCUSSION...

HYSPLIT run data will be sent via seperate e-mail to listed e-mail
address.

Weak upper level system is moving along the Canadian Border this
morning which may bring a brief sprinkle. Otherwise, skies will be
mostly sunny throughout the day, with RH values dropping down into
the lower 20s later this morning as temperatures warm. Continued
low RH values through the afternoon and into the evening hours.
There is a potential for RH values to reach the upper teens this
afternoon if we can get temperatures into the mid 80s. None the
less, highs today will be in the lower 80s with winds on the
increase later this morning out of the south at 15 to 20 mph.
Gusts later this morning and into the afternoon reach up to 30
mph. A Red Flag Warning is in effect for later this morning
through the afternoon and evening hours for critical fire weather
conditions.

Crtical fire weather conditions are anticipated Sunday, with RH
values dropping to the mid to upper teens. Stronger southerly
winds are expected, with gusts reaching near 45mph Sunday
afternoon and evening. Warmer temperatures with highs in the lower
90s.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent). Slight chance of
                    rain showers early in the morning.
Max temperature.....Around 81.
Min humidity........21 percent.
Wind (20 ft)........Southeast winds 5 to 10 mph with gusts to
                    around 19 mph increasing to south 15 to 20 mph
                    with gusts to around 30 mph late in the
                    morning.
Smoke dispersal.....4500 knot-ft early in the morning increasing to
                    102300 knot-ft in the afternoon increasing to
                    (117800 knot-ft) late in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........48  68  60  59  62  43  32  20  16  7   11  13
Weather cov.....    SCH SCH SCH
Weather type....    RW  RW  RW
Tstm cov........
Temp............37  38  42  49  55  59  63  68  71  74  77  79
RH..............70  70  54  36  31  28  25  23  22  21  21  21
20 FT wind dir..SE  SE  SE  SE  S   S   S   S   S   S   S   S
20 FT wind spd..5   5   5   10  10  15  15  20  20  20  20  20
20 FT wind gust.        9   16  19  22  25  26  28  29  30  29
Vrate kt-ft/1K..5   6   8   20  23  38  68  89  102 118 130 129

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....Around 62.
Max humidity........48 percent.
Wind (20 ft)........South winds around 20 mph with gusts to around
                    29 mph.
Smoke dispersal.....(83200 knot-ft) decreasing to 18500 knot-ft
                    early in the evening decreasing to 12100
                    knot-ft late in the night early in the evening.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........12     20     38     49     44     42
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............80     78     71     68     66     64
RH..............22     26     31     37     42     43
20 ft wind......S 20   S 20   S 20   S 20   S 20   S 20
20 ft wind gust.29     27     26     28     28     29
Vrate kt-ft/1K..125    16     13     12     16     19

.SUNDAY...

Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....Around 94.
Min humidity........17 percent.
Wind (20 ft)........Windy. South winds 20 to 25 mph with gusts to
                    around 40 mph increasing to 25 to 30 mph with
                    gusts to around 40 mph late in the afternoon.
Smoke dispersal.....14700 knot-ft early in the morning increasing
                    to 89300 knot-ft in the afternoon increasing to
                    (120300 knot-ft) in the afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........30        38        10        21
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............63        71        87        93
RH..............48        38        22        17
20 FT wind......S 20G28   S 20G30   S 25G34   S 25G40
Vrate kt-ft/1K..16        33        89        182

$$
Forecaster...JS
Requested by...Bela Harrington
Type of request...PRESCRIBED
.TAG 2513635.1/FGF
.DELDT 05/10/25
.FormatterVersion 2.0.0
.EMAIL bela_harrington@fws.gov