Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

65°F

18°C

Humidity 50%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 13 Jul 08:45 AM MDT
Extended Forecast for

9 Miles NW Garrison MT

  • Today

    Today: Sunny, with a high near 91. Light west southwest wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. Light and variable wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. Northwest wind 9 to 17 mph becoming east northeast after midnight. Winds could gust as high as 29 mph.

    Low: 48 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 64. Northeast wind 8 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers.  Mostly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Light west southwest wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 91. Light and variable wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northwest wind 9 to 17 mph becoming east northeast after midnight. Winds could gust as high as 29 mph.
Tuesday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 64. Northeast wind 8 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 42.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Garrison MT
 46.61°N 112.95°W (Elev. 4215 ft)
3:30 am MDT Jul 13, 2025
9am MDT Jul 13, 2025-6pm MDT Jul 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