Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

86°F

30°C

Humidity 22%
Wind Speed E 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Aug 02:15 PM MDT
Extended Forecast for

10 Miles ESE Big Timber MT

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 3pm.  Partly sunny, with a steady temperature around 89. East southeast wind 6 to 8 mph becoming south.  Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and midnight.  Mostly cloudy, with a low around 58. Southwest wind 5 to 9 mph becoming east southeast in the evening.  Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 84. Light and variable wind becoming west 5 to 9 mph in the afternoon.  Chance of precipitation is 50%.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 4am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 56. West southwest wind around 6 mph.  Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 79. West wind 5 to 8 mph.  Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming light and variable  after midnight.  Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 77. Light west southwest wind becoming west 18 to 23 mph in the morning.  Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. West wind 15 to 20 mph becoming light west southwest  after midnight.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a steady temperature around 89. East southeast wind 6 to 8 mph becoming south. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and midnight. Mostly cloudy, with a low around 58. Southwest wind 5 to 9 mph becoming east southeast in the evening. Chance of precipitation is 40%.
Friday
A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 84. Light and variable wind becoming west 5 to 9 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 56. West southwest wind around 6 mph. Chance of precipitation is 40%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. West wind 5 to 8 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77. Light west southwest wind becoming west 18 to 23 mph in the morning. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 45. West wind 15 to 20 mph becoming light west southwest after midnight.
Monday
Sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 49. West wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 51. West southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 84. West wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Big Timber MT
 45.76°N 109.78°W (Elev. 3999 ft)
12:32 pm MDT Aug 27, 2026
2pm MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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