Spot Forecast
Issued by NWS Great Falls, MT

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053
FNUS75 KTFX 301045
FWSTFX

Spot Forecast for Sandbar 2...USFS
National Weather Service Great Falls MT
445 AM MDT Sat Aug 30 2025

Forecast is based on forecast start time of 0500 MDT on August 30.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Generally dry conditions expected today, but there is a 20 percent
chance for an isolated brief shower/thunderstorm later today.
Precipitation amounts will be light. It turns drier/warmer from
Sunday through Thursday, with little/no precipitation expected.

.TODAY...

Sky/weather.........Mostly sunny (25-35 percent). Slight chance of
                    showers and thunderstorms late in the
                    afternoon.
CWR.................5 percent.
Chance of thunder...10 percent.
Max temperature.....70-75.
Min humidity........27-32 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west 5 to 10 mph. Gusty
                    and erratic winds expected near thunderstorms
                    late in the afternoon.
 Ridgetop...........West 15 to 25 mph.
Mixing height.......8500 ft AGL.
Transport winds.....West 10 to 15 mph.

TIME (MDT)      6 AM         10 AM        2 PM
Sky (%).........35           12           31
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            10
Chc of thdr (%).0            0            10
Temp............48           59           70
RH..............87           69           42
20 FT wind......W 0G10       W 5G15       W 10G20
Ridgetop wind...W 20         W 20         W 15
Mix hgt (ft)....500          1500         7000
Transport wind..W 10         W 10         W 15

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....51-56.
Max humidity........50-55 percent.
Wind (20 ft)........
 Slope/valley.......West winds around 5 mph early in the evening
                    becoming downslope.
 Ridgetop...........Northwest 10 to 15 mph decreasing to around 5
                    mph in the late evening and overnight.
Mixing height.......500 ft AGL.
Transport winds.....Northwest around 15 mph becoming west around 5
                    mph early in the evening.

TIME (MDT)      6 PM         10 PM        2 AM
Sky (%).........19           8            16
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............71           60           57
RH..............32           50           52
20 FT wind......W 5G15       NW 0G10      NW 0G10
Ridgetop wind...NW 15        NW 5         W 5
Mix hgt (ft)....7000         BLW500       BLW500
Transport wind..W 15         W 5          W 5

.SUNDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....76-81.
Min humidity........19-24 percent.
Wind (20 ft)........
 Slope/valley.......West winds around 5 mph.
 Ridgetop...........West 10 to 15 mph.
Mixing height.......9000 ft AGL.
Transport winds.....West 5 to 10 mph.

TIME (MDT)      6 AM         10 AM        2 PM
Sky (%).........22           11           12
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............54           66           76
RH..............55           41           25
20 FT wind......W 5G10       SW 5G10      SW 5G15
Ridgetop wind...W 10         W 15         NW 10
Mix hgt (ft)....500          1500         8000
Transport wind..W 5          W 5          NW 10

$$
Forecaster...Brusda
Requested by...Hannah Pinkerton
Type of request...WILDFIRE
.TAG 2520921.1/TFX
.DELDT 08/30/25
.FormatterVersion 2.0.0
.EMAIL hannah.pinkerton@usda.gov