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

52°F

11°C

Humidity 82%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 13 Aug 02:45 AM MDT
Extended Forecast for

Elliston MT

  • Overnight

    Overnight: Mostly clear, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. South southwest wind 6 to 11 mph becoming west 16 to 21 mph in the morning. Winds could gust as high as 29 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Breezy, with a west southwest wind 17 to 22 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 30 mph.

    Low: 49 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 80. West wind 6 to 14 mph, with gusts as high as 25 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. West northwest wind 9 to 14 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 79.

    High: 79 °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 78.

    High: 78 °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 52. South wind around 6 mph.
Wednesday
Sunny, with a high near 86. South southwest wind 6 to 11 mph becoming west 16 to 21 mph in the morning. Winds could gust as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 49. Breezy, with a west southwest wind 17 to 22 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 80. West wind 6 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 46. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 78.
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 81.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Elliston MT
 46.57°N 112.44°W (Elev. 5232 ft)
2:30 pm MDT Aug 12, 2025
3am MDT Aug 13, 2025-6pm MDT Aug 19, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database