Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

11°F

-12°C

Humidity 62%
Wind Speed E 14 MPH
Barometer NA
Dewpoint 0°F (-18°C)
Visibility NA
Wind Chill-5°F (-21°C)
Last update 23 Jan 02:45 AM MST
Extended Forecast for

6 Miles WNW Garrison MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 3. Wind chill values as low as -10. East wind around 11 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 17. Wind chill values as low as -8. East wind 5 to 7 mph becoming calm  in the morning.

    High: 17 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 1. Calm wind.

    Low: 1 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 24. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 3. Wind chill values as low as -10. East wind around 11 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 17. Wind chill values as low as -8. East wind 5 to 7 mph becoming calm in the morning.
Friday Night
Increasing clouds, with a low around 1. Calm wind.
Saturday
Partly sunny, with a high near 24. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 4. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 10.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Garrison MT
 46.55°N 112.94°W (Elev. 4449 ft)
2:06 am MST Jan 23, 2026
3am MST Jan 23, 2026-6pm MST Jan 29, 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