Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Current conditions at

DERBY MOUNTAIN (DBYM8)

Lat: 45.57722°NLon: 109.87889°WElev: 6600.0ft.

NA

90°F

32°C

Humidity 11%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Heat Index86°F (30°C)
Last update 11 Jul 03:35 PM MDT
Extended Forecast for

12 Miles S Big Timber MT

Extreme Heat Warning July 11, 04:14pm until July 14, 12:00am
Red Flag Warning July 12, 09:00am until July 12, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
Red Flag Warning
  •  
    Extreme Heat Warning July 11, 04:14pm until July 14, 12:00am

    NOW until 12:00am Tue

    Extreme Heat Warning

  • Tonight

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Light and variable wind becoming south southwest 6 to 11 mph in the morning.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. South wind 3 to 8 mph.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 91. Light and variable wind becoming east 9 to 14 mph in the morning.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Isolated thunderstorms before 9pm.  Partly cloudy, with a low around 68. East southeast wind 5 to 14 mph.  Chance of precipitation is 10%.

    Low: 68 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny and hot, with a high near 90. Light and variable wind becoming northeast 5 to 10 mph in the morning.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 65. East northeast wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after noon.  High near 83. Calm wind becoming north 5 to 9 mph in the morning.  Chance of precipitation is 80%.

    High: 83 °F

    Slight Chance
    Showers then
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 68. West southwest wind 7 to 11 mph becoming south after midnight.
Sunday
Sunny and hot, with a high near 101. Light and variable wind becoming south southwest 6 to 11 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 68. South wind 3 to 8 mph.
Monday
Sunny and hot, with a high near 91. Light and variable wind becoming east 9 to 14 mph in the morning.
Monday Night
Isolated thunderstorms before 9pm. Partly cloudy, with a low around 68. East southeast wind 5 to 14 mph. Chance of precipitation is 10%.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 90. Light and variable wind becoming northeast 5 to 10 mph in the morning.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. East northeast wind 6 to 11 mph becoming light and variable after midnight.
Wednesday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 83. Calm wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 63. East wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming east southeast 5 to 10 mph in the morning.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. East southeast wind 5 to 11 mph becoming southwest after midnight.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. West southwest wind 5 to 11 mph becoming northwest in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. North northwest wind 5 to 10 mph becoming southeast after midnight.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southwest wind 5 to 11 mph becoming north northeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Big Timber MT
 45.66°N 110.01°W (Elev. 5522 ft)
12:37 pm MDT Jul 11, 2026
4pm MDT Jul 11, 2026-6pm MDT Jul 18, 2026
 
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Additional Resources

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