National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Excessive Rainfall, Severe Thunderstorms, and Extreme Heat

Heavy to excessive rainfall is expected through tonight across portions of the central Plains. Areas of intense rainfall amounts could support increasing flooding concerns. Scattered severe thunderstorms are possible across parts of the central/southern Plains today and tonight, with large hail and damaging winds the main threats. Areas of extreme heat will impact parts of the West this week. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

76°F

24°C

Humidity 35%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 10 Aug 08:15 PM MDT
Extended Forecast for

7 Miles NW Garrison MT

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 85. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 50. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Wednesday
A 20 percent chance of rain after noon. Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Garrison MT
 46.59°N 112.94°W (Elev. 4155 ft)
Last Update:
2:30 pm MDT Aug 10, 2025
Forecast Valid:
8pm MDT Aug 10, 2025-6pm MDT Aug 17, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation