485
FNUS73 KFGF 061413
FWSFGF

Spot Forecast for White Earth Prairie Rx #40 Perch Lake South...MN-MNA White Earth
National Weather Service Grand Forks ND
913 AM CDT Tue May 6 2025

Forecast is based on ignition time of 1200 CDT on May 06.
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...

The cold front has pushed through the burn site, shifting winds to
the north and causing them to pick up around 15 mph. The north
winds will continue throughout the day, with gusts up to 25 mph
possible in the afternoon. Temperatures will be cooler than
yesterday, topping out in the upper 60s, with afternoon RH values
in the 35 to 40 percent range. However, if temperatures get a bit
warmer than expected the RH could fall closer to 30 percent. Skies
will remain mostly to partly sunny with a few mid level clouds
coming through this afternoon.

.TODAY...

Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 67.
Min humidity........37 percent.
Wind (20 ft)........West winds around 5 mph shifting to the north
                    with gusts to around 19 mph in the morning and
                    early afternoon, then increasing to around 15
                    mph late in the afternoon.
Mixing height.......4100 ft AGL.
Mixing winds........North 10 to 15 mph increasing to around 20 mph
                    late in the afternoon.
Smoke dispersal.....3400 knot-ft early in the morning increasing to
                    70500 knot-ft in the afternoon.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........20  27  38  38  57  65
Weather cov.....
Weather type....
Tstm cov........
Temp............64  67  66  67  65  65
RH..............44  40  41  39  40  38
20 FT wind dir..N   N   N   N   N   N
20 FT wind spd..10  10  15  15  15  15
20 FT wind gust.18  19  20  20  21  20
Mix hgt (kft)...2.6 3.3 3.6 3.9 3.8 4.1
Mixing wind dir.N   N   N   N   N   N
Mixing wind spd.15  15  20  20  20  20
Vrate kt-ft/1K..37  50  59  67  66  71

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (25-35 percent).
Min temperature.....Around 41.
Max humidity........76 percent.
Wind (20 ft)........Northeast winds 5 to 15 mph.
Mixing height.......400 ft AGL.
Mixing winds........Northeast 15 to 20 mph decreasing to around 10
                    mph overnight.
Smoke dispersal.....72300 knot-ft early in the evening decreasing
                    to 4200 knot-ft late in the night.

TIME (CDT)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........65        50        38        22
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............64        56        50        44
RH..............37        48        52        60
20 FT wind......N 15G21   NE 10G16  N 10G14   NE 10G14
Mix hgt (ft)....4000      600       600       500
Mixing wind.....N 20      NE 15     N 15      N 10
Vrate kt-ft/1K..72        7         8         5

$$
Forecaster...JR
Requested by...Dave Snetsinger
Type of request...PRESCRIBED
.TAG 2513206.0/FGF
.DELDT 05/06/25
.FormatterVersion 2.0.0
.EMAIL dave.snetsinger@whiteearth-nsn.gov