Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Mostly Cloudy

64°F

18°C

Humidity 39%
Wind Speed ENE 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 Aug 01:55 AM MDT
Extended Forecast for

Big Timber MT

  • Overnight

    Overnight: Patchy smoke. Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke. Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind becoming east 9 to 14 mph in the afternoon.

    High: 86 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then a slight chance of showers after midnight.  Patchy smoke. Areas of fog after 3am.  Otherwise, mostly cloudy, with a low around 55. East wind 5 to 14 mph becoming north in the evening.  Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Patchy smoke between 9am and noon. Cloudy, with a high near 75. East northeast wind 6 to 8 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 53. East wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after noon.  High near 72. Calm wind becoming east northeast 5 to 7 mph in the afternoon.  Chance of precipitation is 90%.

    High: 72 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers.  Low around 49. East wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy smoke. Mostly cloudy, with a low around 58. Calm wind.
Wednesday
Patchy smoke. Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind becoming east 9 to 14 mph in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then a slight chance of showers after midnight. Patchy smoke. Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 55. East wind 5 to 14 mph becoming north in the evening. Chance of precipitation is 60%.
Thursday
A chance of showers, with thunderstorms also possible after noon. Patchy smoke between 9am and noon. Cloudy, with a high near 75. East northeast wind 6 to 8 mph. Chance of precipitation is 50%.
Thursday Night
Showers and possibly a thunderstorm. Low around 53. East wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 90%.
Friday
Showers likely, then showers and possibly a thunderstorm after noon. High near 72. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 49. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. South southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 86. West southwest wind 3 to 8 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind 5 to 8 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. West southwest wind 5 to 8 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 12, 2026
2am MDT Aug 12, 2026-6pm MDT Aug 18, 2026
 
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Additional Resources

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