Spot Forecast
Issued by NWS Grand Forks, ND
Issued by NWS Grand Forks, ND
604
FNUS73 KFGF 091431
FWSFGF
Spot Forecast for Mentor Prairie WMA RX...MN Dept Of Natural Resources
National Weather Service Grand Forks ND
931 AM CDT Thu Oct 9 2025
Forecast is based on ignition time of 0800 CDT on October 09.
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 challenge of today will be a cold front sweeping through this
afternoon between 5-7pm with S to SW winds ahead and W turning NW
post front. Winds around 15 mph pre front and 10 mph post front
with gusts in the low 20 mph range ahead of the front through
about 3pm. RH as low 45 percent through 3pm with RH climbing post
front as moisture increases will temps drop slowly. Clouds do
appear to have broken with this leading to some temporary lower
RH close to 40 percent but still not approaching near critical
conditions.
.REST OF TODAY...
Sky/weather.........Mostly sunny (40-50 percent) then becoming
partly sunny (55-65 percent).
Max temperature.....Around 67.
Min humidity........43 percent.
Wind (20 ft)........South winds around 15 mph with gusts to around
25 mph shifting to the southwest late in the
afternoon.
Mixing height.......3400 ft AGL.
Mixing winds........South 20 to 25 mph shifting to the southwest
late in the afternoon.
Smoke dispersal.....8900 knot-ft early in the morning increasing to
72200 knot-ft in the afternoon.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........36 25 27 40 61 60 56 71 56 53
Weather cov.....
Weather type....
Tstm cov........
Temp............54 58 62 64 64 64 66 66 67 67
RH..............55 49 46 43 47 52 50 52 52 52
20 FT wind dir..S S S S S S S SW SW SW
20 FT wind spd..15 15 15 15 15 15 15 15 10 10
20 FT wind gust.16 16 18 19 22 25 23 22 21 19
Mix hgt (kft)...0.5 0.8 1.3 1.8 2.3 2.6 3.0 3.4 3.4 2.4
Mixing wind dir.S S S S S S S SW SW SW
Mixing wind spd.20 20 25 25 30 25 25 25 20 20
Vrate kt-ft/1K..9 15 27 40 56 60 66 72 64 38
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
clear (0-10 percent).
Min temperature.....Around 40.
Max humidity........89 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the
northwest overnight.
Mixing height.......400 ft AGL.
Mixing winds........Southwest 10 to 15 mph shifting to the
northwest in the late evening and overnight.
Smoke dispersal.....15500 knot-ft early in the evening decreasing
to 3900 knot-ft late in the night.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........49 46 43 22 10 6
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Temp............66 61 55 52 48 44
RH..............56 72 77 74 83 79
20 ft wind......SW 10 W 5 NW 5 NW 10 NW 10 NW 10
20 ft wind gust.15 12 14 15 15 15
Mix hgt (ft)....1000 400 400 400 400 400
Mixing wind.....SW 15 W 10 NW 15 N 15 N 15 NW 10
Vrate kt-ft/1K..13 4 6 6 4 4
.FRIDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 59.
Min humidity........44 percent.
Wind (20 ft)........North winds 5 to 10 mph.
Mixing height.......3500 ft AGL.
Mixing winds........North 15 to 20 mph decreasing to around 10 mph
late in the afternoon.
Smoke dispersal.....4700 knot-ft early in the morning increasing to
43400 knot-ft in the afternoon.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........3 4 2 2
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
Temp............41 43 52 58
RH..............86 82 54 45
20 FT wind......NW 5G14 N 10G15 N 10G15 N 10G14
Mix hgt (ft)....400 1300 2700 3400
Mixing wind.....N 15 N 20 N 20 N 10
Vrate kt-ft/1K..5 22 42 34
$$
Forecaster...TT
Requested by...Emily Hutchins
Type of request...PRESCRIBED
.TAG 2523157.0/FGF
.DELDT 10/09/25
.FormatterVersion 2.0.0
.EMAIL emily.hutchins@state.mn.us