Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

NA

51°F

11°C

Humidity 80%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 13 Aug 02:30 AM MDT
Extended Forecast for

11 Miles NW Elliston MT

  • Overnight

    Overnight: Mostly clear, with a low around 51. South southeast wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Breezy, with an east wind 5 to 10 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 83 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Breezy, with a west wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

    Low: 49 °F

    Mostly Clear
    and Breezy
    then Clear

  • Thursday

    Thursday: Sunny, with a high near 77. West southwest wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. West northwest wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 51. South southeast wind around 6 mph.
Wednesday
Sunny, with a high near 83. Breezy, with an east wind 5 to 10 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 49. Breezy, with a west wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Thursday
Sunny, with a high near 77. West southwest wind 6 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 46. West northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Elliston MT
 46.68°N 112.59°W (Elev. 5402 ft)
2:30 pm MDT Aug 12, 2025
2am MDT Aug 13, 2025-6pm MDT Aug 19, 2025
 
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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