311
FNUS75 KTFX 011039
FWSTFX

Spot Forecast for Sandbar 2...USFS
National Weather Service Great Falls MT
439 AM MDT Mon Sep 1 2025

Forecast is based on forecast start time of 0600 MDT on September 01.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry and warm conditions are expected today and Tue, along with low
afternoon humidity. Otherwise, expect a slow/minor afternoon
cooling trend from Wed thu Fri. Brusda

.TODAY...

Sky/weather.........Sunny (15-25 percent). Haze.
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....82-87.
Min humidity........Near 15 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming upslope at 5 to 10 mph.
 Ridgetop...........Southeast around 5 mph.
Mixing height.......9500 ft AGL.
Transport winds.....Southeast 5 to 10 mph.

TIME (MDT)      6 AM         10 AM        2 PM
Sky (%).........38           9            12
Weather cov.....DEFNTE       DEFNTE
Weather type....HAZE         HAZE         HAZE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............58           69           79
RH..............42           33           23
20 FT wind......SE 0G5       SE 0G10      SE 5G10
Ridgetop wind...SE 5         S 5          SE 5
Mix hgt (ft)....500          1000         9000
Transport wind..S 5          SE 5         SE 10

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent). Haze.
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 53.
Max humidity........Near 65 percent.
Wind (20 ft)........
 Slope/valley.......Downslope 4 to 8 mph.
 Ridgetop...........East 5 to 15 mph.
Mixing height.......300 ft AGL.
Transport winds.....East around 10 mph shifting to the south
                    overnight.

TIME (MDT)      6 PM         10 PM        2 AM
Sky (%).........30           41           34
Weather cov.....
Weather type....HAZE         HAZE         HAZE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............79           65           61
RH..............22           42           44
20 FT wind......E 5G15       E 0G10       SE 0G5
Ridgetop wind...E 5          E 15         SE 10
Mix hgt (ft)....7500         BLW300       BLW300
Transport wind..E 10         NE 10        SE 5

.TUESDAY...

Sky/weather.........Sunny (15-25 percent). Haze at times.
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....80-85.
Min humidity........Near 20 percent.
Wind (20 ft)........
 Slope/valley.......Upslope 5 to 10 mph.
 Ridgetop...........West around 5 mph shifting to the north late in
                    the afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....Variable at 5 to 10 mph.

TIME (MDT)      6 AM         10 AM        2 PM
Sky (%).........22           5            9
Weather cov.....
Weather type....NONE         HAZE         HAZE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............59           68           79
RH..............47           39           28
20 FT wind......NW 0G5       W 0G5        N 5G10
Ridgetop wind...SW 5         NW 5         N 10
Mix hgt (ft)....500          1000         7000
Transport wind..S 5          N 5          N 10

$$
Forecaster...Brusda
Requested by...Hannah Pinkerton
Type of request...WILDFIRE
.TAG 2520921.3/TFX
.DELDT 09/01/25
.FormatterVersion 2.0.0
.EMAIL hannah.pinkerton@usda.gov