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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

84°F

29°C

Humidity 18%
Wind Speed W 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 Aug 11:05 AM MDT
Extended Forecast for

8 Miles NE Big Timber MT

  • Today

    Today: A slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Areas of smoke before 3pm. Partly sunny, with a high near 89. West wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 56. South wind 6 to 10 mph becoming north northwest after midnight. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 56. North wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. South wind 6 to 8 mph becoming west northwest after midnight.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. West wind 5 to 8 mph becoming southeast in the afternoon.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. East southeast wind 6 to 10 mph becoming west after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. West southwest wind 7 to 10 mph.

    High: 94 °F

    Hot

Detailed Forecast

Today
A slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Areas of smoke before 3pm. Partly sunny, with a high near 89. West wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 56. South wind 6 to 10 mph becoming north northwest after midnight. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 56. North wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57. South wind 6 to 8 mph becoming west northwest after midnight.
Tuesday
Sunny and hot, with a high near 93. West wind 5 to 8 mph becoming southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 60. East southeast wind 6 to 10 mph becoming west after midnight.
Wednesday
Sunny and hot, with a high near 94. West southwest wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 58. West northwest wind 7 to 10 mph becoming north in the evening.
Thursday
Sunny, with a high near 84. West northwest wind 6 to 9 mph becoming east in the afternoon.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55. East wind 6 to 13 mph becoming north after midnight.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74. East northeast wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NE Big Timber MT
 45.91°N 109.8°W (Elev. 4600 ft)
Last Update:
11:07 am MDT Aug 16, 2025
Forecast Valid:
11am MDT Aug 16, 2025-6pm MDT Aug 22, 2025
 
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