Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

66°F

19°C

Humidity 63%
Wind Speed W 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Jul 07:35 AM MDT
Extended Forecast for

Big Timber MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Patchy smoke. Partly sunny and hot, with a high near 92. West wind 6 to 9 mph becoming east in the afternoon.

    High: 92 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Patchy smoke before 9pm, then patchy smoke after midnight. Partly cloudy, with a low around 61. Southeast wind 5 to 10 mph becoming light and variable  in the evening.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Patchy Smoke

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Areas of smoke before 3pm. Sunny and hot, with a high near 97. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 97 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Northwest wind 5 to 8 mph becoming calm.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny and hot, with a high near 96. West wind 5 to 7 mph becoming east northeast in the afternoon.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. South wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 98. West southwest wind 5 to 10 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. West wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. West wind 5 to 8 mph.

    High: 100 °F

    Hot

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke. Partly sunny and hot, with a high near 92. West wind 6 to 9 mph becoming east in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Patchy smoke before 9pm, then patchy smoke after midnight. Partly cloudy, with a low around 61. Southeast wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Areas of smoke before 3pm. Sunny and hot, with a high near 97. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. Northwest wind 5 to 8 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 96. West wind 5 to 7 mph becoming east northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 60. South wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny and hot, with a high near 98. West southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 61. West wind 5 to 9 mph becoming light and variable after midnight.
Friday
Sunny and hot, with a high near 100. West wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 62. Northwest wind 5 to 9 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 103. Light west southwest wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. West wind 5 to 13 mph.
Sunday
Sunny and hot, with a high near 100. West 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)
6:04 am MDT Jul 27, 2026
7am MDT Jul 27, 2026-6pm MDT Aug 2, 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