Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

unknown precip

54°F

12°C

Humidity 88%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 16 Jun 10:15 AM MDT
Extended Forecast for

6 Miles NNW Garrison MT

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 72. Calm wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 46. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Light north northwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. West northwest wind 6 to 11 mph becoming light west southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

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

    Low: 44 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 72. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Light north northwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 44. West northwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 77. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 44.
Juneteenth
Mostly sunny, with a high near 80.
Thursday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 46.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 61.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 34.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Garrison MT
 46.6°N 112.85°W (Elev. 4766 ft)
3:30 am MDT Jun 16, 2025
10am MDT Jun 16, 2025-6pm MDT Jun 22, 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