550
FNUS75 KTFX 011454
FWSTFX

Spot Forecast for Woodchopper Roadside Piles...USFS
National Weather Service Great Falls MT
754 AM MST Mon Dec 1 2025

Forecast is based on ignition time of 0800 MST on December 01.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Today it will warm up with winds of 10 - 15 mph with gusts up to
25 mph this morning increasing to 15 - 20 mph in the afternoon
with wind gusts of 30 - 35 mph. Snow will move over the area
between 2000 and 0000 and continue through most of the day on
Tuesday. Total snowfall accumulations of 2 to 5 inches expected
between tonight and Wednesday morning. Between 1700 and 2300 today
winds will be 20 - 25 mph with wind gusts up to 35 mph. After
2300 winds will decrease to 15 to 20 mph with gusts up to 30 mph.
Winds will decrease to 10 - 15 mph with gusts up to 25 mph
through the day on Tuesday.


.REST OF TODAY...

Sky/weather.........Partly sunny (60-70 percent). Chance of snow
                    late in the afternoon.
CWR.................5 percent.
Chance of thunder...0 percent.
Max temperature.....29-34.
Min humidity........49-54 percent.
Wind (20 ft)........
 Slope/valley.......West winds 10 to 15 mph. Gusts up to 30 mph in
                    the afternoon.
Mixing height.......2500 ft AGL.
Transport winds.....West 20 to 25 mph.

TIME (MST)      8 AM         NOON         4 PM
Sky (%).........62           54           83
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............22           30           30
RH..............61           56           55
20 FT wind......W 10G20      W 15G25      W 15G30
Mix hgt (ft)....1000         2500         1500
Transport wind..W 20         W 20         W 25

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of snow
                    in the evening. Snow overnight.
CWR.................10 percent increasing to 15 percent early in
                    the morning.
Chance of thunder...0 percent.
Min temperature.....25-30.
Max humidity........71-76 percent.
Wind (20 ft)........
 Slope/valley.......West winds 10 to 15 mph with gusts to around 35
                    mph.
Mixing height.......1000 ft AGL.
Transport winds.....West 20 to 25 mph.

TIME (MST)      6 PM         10 PM        2 AM
Sky (%).........90           72           70
Weather cov.....CHANCE       CHANCE       CHANCE
Weather type....SNOW         SNOW         SNOW
Tstm cov........
CWR.............10           10           10
Chc of thdr (%).0            0            0
Temp............30           29           29
RH..............57           66           68
20 FT wind......W 15G30      W 15G30      W 15G30
Mix hgt (ft)....1500         1000         1000
Transport wind..W 20         W 25         W 20

.TUESDAY...

Sky/weather.........Cloudy (85-95 percent). Snow, then snow likely
                    late in the afternoon.
CWR.................15 percent decreasing to 5 percent late in the
                    morning, then increasing to 35 percent late in
                    the afternoon.
Chance of thunder...2 percent.
Max temperature.....29-34.
Min humidity........70-75 percent.
Wind (20 ft)........
 Slope/valley.......West winds around 10 mph shifting to the
                    northwest late in the afternoon. Gusts up to 25
                    mph.
Mixing height.......3000 ft AGL.
Transport winds.....West 15 to 20 mph shifting to the northwest
                    late in the afternoon.

TIME (MST)      6 AM         10 AM        2 PM
Sky (%).........87           87           92
Weather cov.....DEFNTE       DEFNTE       DEFNTE
Weather type....SNOW         SNOW         SNOW
Tstm cov........
CWR.............20           20           10
Chc of thdr (%).0            0            0
Temp............27           31           31
RH..............75           76           77
20 FT wind......SW 10G25     W 10G20      NW 10G20
Mix hgt (ft)....1000         2500         3000
Transport wind..W 15         W 20         NW 15

$$
Forecaster...Gesell
Requested by...Kyle Marquardt
Type of request...PRESCRIBED
.TAG 2526654.0/TFX
.DELDT 12/01/25
.FormatterVersion 2.0.0
.EMAIL kyle.marquardt@usda.gov, tfx.ops@noaa.gov