Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

67°F

19°C

Humidity 73%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 07 Jul 10:45 AM MDT
Extended Forecast for

7 Miles E Garrison MT

  • Today

    Today: Sunny, with a high near 75. West northwest wind 5 to 8 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 79. Light and variable wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 79 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 49. Southwest wind 3 to 8 mph.

    Low: 49 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 76. Light west southwest wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 75. West northwest wind 5 to 8 mph.
Tonight
Mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 79. Light and variable wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 49. Southwest wind 3 to 8 mph.
Thursday
Sunny, with a high near 76. Light west southwest wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Garrison MT
 46.53°N 112.65°W (Elev. 5666 ft)
1:51 am MDT Jul 7, 2026
11am MDT Jul 7, 2026-6pm MDT Jul 13, 2026
 
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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