Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

64°F

18°C

Humidity 77%
Wind Speed WSW 16 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Aug 01:55 AM MDT
Extended Forecast for

Big Timber MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. West southwest wind 11 to 13 mph.

    Low: 62 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Partly sunny and hot, with a high near 91. West southwest wind 11 to 17 mph.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. West southwest wind 6 to 16 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88. West wind 6 to 13 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. North northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. East wind 5 to 9 mph becoming calm  after midnight.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 56. East southeast wind 5 to 7 mph becoming light and variable.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. West southwest wind 11 to 13 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny and hot, with a high near 91. West southwest wind 11 to 17 mph.
Sunday Night
Partly cloudy, with a low around 55. West southwest wind 6 to 16 mph.
Monday
Sunny, with a high near 88. West wind 6 to 13 mph.
Monday Night
Partly cloudy, with a low around 53. North northwest wind 5 to 9 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 84. Calm wind becoming east 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 55. East wind 5 to 9 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 88. Calm wind becoming east 5 to 7 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. East southeast wind 5 to 7 mph becoming light and variable.
Thursday
Mostly sunny and hot, with a high near 91. West southwest wind 5 to 9 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. West northwest wind 6 to 9 mph becoming southwest after midnight.
Friday
Mostly sunny, with a high near 89. West southwest wind 6 to 9 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. West northwest wind 7 to 9 mph becoming south southwest in the evening.
Saturday
Mostly sunny, with a high near 88. West wind 9 to 13 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 23, 2026
2am MDT Aug 23, 2026-6pm MDT Aug 29, 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