Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

32°F

0°C

Humidity 83%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 18 Oct 05:30 AM MDT
Extended Forecast for

7 Miles WNW Garrison MT

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 59. Calm wind.

    High: 59 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Calm wind becoming southeast around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. East southeast wind 3 to 5 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southeast wind around 5 mph becoming calm  after midnight.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 59. Calm wind.
Tonight
Partly cloudy, with a low around 29. Calm wind becoming southeast around 5 mph.
Monday
Mostly sunny, with a high near 66. East southeast wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 32. South southeast wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 63. Calm wind.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
A chance of rain after noon. Partly sunny, with a high near 64.
Thursday Night
Rain. Mostly cloudy, with a low around 33.
Friday
Rain likely. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain. Snow level 6600 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Garrison MT
 46.54°N 112.97°W (Elev. 4596 ft)
2:01 am MDT Oct 18, 2026
5am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database