Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

55°F

13°C

Humidity 82%
Wind Speed WNW 6 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 02 Aug 06:45 AM MDT
Extended Forecast for

Big Timber MT

  • Today

    Today: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Sunny, with a high near 87. West wind 8 to 11 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 54. Northwest wind 6 to 10 mph becoming southwest in the evening.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. West southwest wind 6 to 11 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming light west  after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 87. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.  Chance of precipitation is 20%.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Partly cloudy, with a low around 54. East southeast wind 7 to 10 mph becoming west after midnight.  Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. West wind 7 to 13 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. West wind 5 to 13 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90. West southwest wind 5 to 9 mph.

    High: 90 °F

    Hot

Detailed Forecast

Today
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 87. West wind 8 to 11 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 54. Northwest wind 6 to 10 mph becoming southwest in the evening.
Sunday
Sunny, with a high near 86. West southwest wind 6 to 11 mph.
Sunday Night
Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming light west after midnight.
Monday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 87. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 54. East southeast wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 84. West wind 7 to 13 mph.
Tuesday Night
Mostly clear, with a low around 54. West wind 5 to 13 mph.
Wednesday
Sunny and hot, with a high near 90. West southwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 56. Northwest wind 6 to 10 mph becoming north northeast in the evening.
Thursday
Mostly sunny, with a high near 89. West wind 6 to 11 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. West wind 6 to 11 mph.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. West southwest wind 6 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Timber MT
 45.84°N 109.94°W (Elev. 4199 ft)
6:03 am MDT Aug 2, 2025
7am MDT Aug 2, 2025-6pm MDT Aug 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database