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

73°F

23°C

Humidity 29%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 12 Jul 10:00 PM MDT
Extended Forecast for

9 Miles NW Garrison MT

  • Tonight

    Tonight: Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. West northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 55 °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 chance of showers and thunderstorms, mainly between midnight and 3am, then a chance of rain after 3am.  Partly cloudy, with a low around 49. Northwest wind 12 to 17 mph becoming northeast 6 to 11 mph after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 30%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Rain likely, mainly between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 68. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of rain before noon.  Mostly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 90. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 55. West northwest wind 5 to 10 mph becoming light and variable 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 chance of showers and thunderstorms, mainly between midnight and 3am, then a chance of rain after 3am. Partly cloudy, with a low around 49. Northwest wind 12 to 17 mph becoming northeast 6 to 11 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Tuesday
Rain likely, mainly between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Wednesday
A slight chance of rain before noon. Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Garrison MT
 46.61°N 112.95°W (Elev. 4215 ft)
2:30 pm MDT Jul 12, 2025
10pm MDT Jul 12, 2025-6pm MDT Jul 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