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

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

40°F

4°C

Humidity 76%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 16 Oct 08:45 PM MDT
Extended Forecast for

9 Miles SW Garrison MT

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. West southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming calm after midnight.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 52. Calm wind.

    High: 52 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 59. West southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming calm after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 52. Calm wind.
Sunday Night
Partly cloudy, with a low around 40. Calm wind becoming south 5 to 7 mph after midnight.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A chance of rain. Partly sunny, with a high near 50.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Friday
A chance of rain and snow. Snow level 7300 feet lowering to 6700 feet in the afternoon . Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Garrison MT
 46.44°N 112.95°W (Elev. 6280 ft)
Last Update:
2:01 pm MDT Oct 16, 2026
Forecast Valid:
9pm MDT Oct 16, 2026-6pm MDT Oct 23, 2026
 
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