Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Big Timber Airport (K6S0)

Lat: 45.80647°NLon: 109.97826°WElev: 4494.0ft.

Clear

50°F

10°C

Humidity 66%
Wind Speed WSW 4 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 25 Aug 06:55 AM MDT
Extended Forecast for

Big Timber MT

  • Today

    Today: Mostly sunny, with a high near 82. Calm wind becoming east southeast 5 to 9 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. East southeast wind 5 to 9 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 56. East southeast wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 92. South southwest wind 3 to 7 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before midnight.  Mostly cloudy, with a low around 56. West southwest wind 6 to 9 mph.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88. West wind 6 to 9 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 56. West southwest wind 8 to 11 mph.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85. West southwest wind 8 to 14 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 82. Calm wind becoming east southeast 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 53. East southeast wind 5 to 9 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 88. Calm wind becoming east southeast around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 56. East southeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Thursday
Mostly sunny and hot, with a high near 92. South southwest wind 3 to 7 mph.
Thursday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 56. West southwest wind 6 to 9 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. West wind 6 to 9 mph.
Friday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. West southwest wind 8 to 11 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. West southwest wind 8 to 14 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. West southwest wind 8 to 14 mph becoming north in the evening.
Sunday
Mostly sunny, with a high near 78. West wind 7 to 17 mph.
Sunday Night
Partly cloudy, with a low around 47. West southwest wind 5 to 14 mph.
Monday
Sunny, with a high near 83. West southwest wind 5 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Timber MT
 45.84°N 109.94°W (Elev. 4199 ft)
12:32 am MDT Aug 25, 2026
7am MDT Aug 25, 2026-6pm MDT Aug 31, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database