National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

DERBY MOUNTAIN (DBYM8)

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

NA

51°F

11°C

Humidity 66%
Wind Speed SE 12 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 19 Jun 09:35 PM MDT
Extended Forecast for

14 Miles S Big Timber MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. East southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 71. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%.

    High: 71 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Cloudy, with a low around 55. Southwest wind around 9 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy through mid morning, then becoming sunny, with a high near 71. West wind 8 to 13 mph.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North northwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Light and variable wind becoming north 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 65 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. North northeast wind 5 to 9 mph becoming calm after midnight.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Light and variable wind becoming east northeast 5 to 10 mph in the morning.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. East wind 5 to 10 mph becoming light and variable after midnight.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. East southeast wind 5 to 8 mph becoming calm after midnight.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 71. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Cloudy, with a low around 55. Southwest wind around 9 mph. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy through mid morning, then becoming sunny, with a high near 71. West wind 8 to 13 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North northwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Light and variable wind becoming north 5 to 10 mph in the morning. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 46. North northeast wind 5 to 9 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 71. Light and variable wind becoming east northeast 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 50. East wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 76. Calm wind becoming northeast 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54. East northeast wind 5 to 8 mph becoming light and variable after midnight.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Calm wind becoming north 5 to 8 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. West wind 5 to 8 mph becoming south southeast in the evening.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. West southwest wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles S Big Timber MT
 45.64°N 110°W (Elev. 5499 ft)
Last Update:
12:37 pm MDT Jun 19, 2026
Forecast Valid:
10pm MDT Jun 19, 2026-6pm MDT Jun 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation