017
FNUS75 KTFX 021055
FWSTFX

Spot Forecast for Sandbar 2...USFS
National Weather Service Great Falls MT
455 AM MDT Tue Sep 2 2025

Forecast is based on forecast start time of 0600 MDT on September 02.
If conditions become unrepresentative...contact the National Weather
Service.

...Wind shift early Thursday morning to the northeast...

.DISCUSSION...
Generally dry and warm conditions expected today and Wed, along
with low afternoon humidity. Early Thu morning, about 4 AM, a cool
front will move southward, shifting winds to the northeast. The
next time for a reasonable chance for showers/thunderstorms is
Sat night or Sun afternoon. Brusda

.TODAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....83-88.
Min humidity........15-20 percent.
Wind (20 ft)........
 Slope/valley.......Upslope at 5 to 10 mph.
 Ridgetop...........West 5 to 10 mph
Mixing height.......9000 ft AGL.
Transport winds.....Southwest around 5 mph to 10 mph.

TIME (MDT)      6 AM         10 AM        2 PM
Sky (%).........16           17           15
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............59           70           82
RH..............44           35           20
20 FT wind......SE 5         N 0G10       N 5G15
Ridgetop wind...SW 5         SW 5         SW 10
Mix hgt (ft)....500          1000         9000
Transport wind..S 5          S 5          S 10

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent). Areas of smoke
                    late in the evening.
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....Near 50.
Max humidity........67-72 percent.
Wind (20 ft)........
 Slope/valley.......Downslope winds 5 to 10 mph.
 Ridgetop...........North 5 to 10 mph.
Mixing height.......300 ft AGL.
Transport winds.....Northeast 10 to 15 mph shifting to the north
                    around 5 mph after 3 am.

TIME (MDT)      6 PM         10 PM        2 AM
Sky (%).........35           35           26
Weather cov.....                          AREAS
Weather type....NONE         NONE         SMOKE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............78           65           58
RH..............27           49           64
20 FT wind......N 5G15       NE 10G15     NE 5G15
Ridgetop wind...N 5          E 10         SW 5
Mix hgt (ft)....4500         BLW300       BLW300
Transport wind..N 10         NE 15        N 10

.WEDNESDAY...

Sky/weather.........Sunny (10-20 percent). Areas of smoke in the
                    morning and early afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....83-88.
Min humidity........Near 18 percent.
Wind (20 ft)........
 Slope/valley.......Upslope 5 to 10 mph.
 Ridgetop...........West 15 to 20 mph.
Mixing height.......10500 ft AGL.
Transport winds.....Northeast around 5 mph shifting
                    the northwest around 20 mph.

TIME (MDT)      6 AM         10 AM        2 PM
Sky (%).........11           2            5
Weather cov.....AREAS        AREAS        AREAS
Weather type....SMOKE        SMOKE        SMOKE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............55           67           82
RH..............72           50           21
20 FT wind......NE 5G10      SW 5G10      SW 10G15
Ridgetop wind...W 15         W 15         NW 15
Mix hgt (ft)....BLW300       1000         8500
Transport wind..NE 5         W 10         NW 15

$$
Forecaster...Brusda
Requested by...Hannah Pinkerton
Type of request...WILDFIRE
.TAG 2520921.4/TFX
.DELDT 09/02/25
.FormatterVersion 2.0.0
.EMAIL hannah.pinkerton@usda.gov