Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

unknown precip

32°F

0°C

Humidity NA
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

8 Miles N Garrison MT

Winter Weather Advisory until March 15, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 15, 12:00am

    NOW until 12:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: 29 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times.  Temperature falling to around 24 by 5pm. Breezy, with a west wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 32 °F

    Heavy Snow
    and Breezy

  • Saturday Night

    Saturday Night: Snow, mainly before midnight.  Low around 9. Wind chill values as low as -2. West wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 9 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow.  Partly sunny, with a high near 26. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly after midnight.  Mostly cloudy, with a low around 22. West southwest wind 6 to 9 mph.  New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Monday

    Monday: Snow likely before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm.  Cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain before 3am, then a chance of snow.  Mostly cloudy, with a low around 37. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of snow before noon, then a slight chance of rain.  Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Low around 29. West southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.
Saturday
Snow. The snow could be heavy at times. Temperature falling to around 24 by 5pm. Breezy, with a west wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 9. Wind chill values as low as -2. West wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 26. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 22. West southwest wind 6 to 9 mph. New snow accumulation of less than a half inch possible.
Monday
Snow likely before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain before 3am, then a chance of snow. Mostly cloudy, with a low around 37. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A slight chance of snow before noon, then a slight chance of rain. Partly sunny, with a high near 48.
Tuesday Night
A slight chance of rain before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 37.
Wednesday
A slight chance of rain and snow before 9am, then a slight chance of rain. Mostly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 41.
Friday
A slight chance of rain. Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Garrison MT
 46.64°N 112.83°W (Elev. 5846 ft)
2:00 pm MDT Mar 13, 2026
10pm MDT Mar 13, 2026-6pm MDT Mar 20, 2026
 
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Additional Resources

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