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

Garrison I-90 MP 174.4 (MTGAR)

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

NA

58°F

14°C

Humidity 29%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 25 Jun 12:30 AM MDT
Extended Forecast for

Garrison MT

  • Overnight

    Overnight: Clear, with a low around 45. Calm wind.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 51. West southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 21 mph.

    Low: 51 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 45. Calm wind.
Tuesday
Sunny, with a high near 83. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 48. Northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 51. West southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 46.
Monday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Garrison MT
 46.51°N 112.81°W (Elev. 4380 ft)
Last Update:
2:40 pm MDT Jun 24, 2024
Forecast Valid:
12am MDT Jun 25, 2024-6pm MDT Jul 1, 2024
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation