Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

unknown precip

24°F

-4°C

Humidity 89%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 20 Jan 09:45 AM MST
Extended Forecast for

6 Miles E Elliston MT

  • Today

    Today: A 20 percent chance of snow before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 27. Northeast wind around 8 mph becoming west in the afternoon.

    High: 27 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 13. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 22. Northeast wind 7 to 9 mph.

    High: 22 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9. West southwest wind around 6 mph.

    Low: 9 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 17. North northeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 17 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of snow after 11am.  Mostly sunny, with a high near 23.

    High: 23 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A 20 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 27. Northeast wind around 8 mph becoming west in the afternoon.
Tonight
Mostly clear, with a low around 13. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 22. Northeast wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 9. West southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 17. North northeast wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 4.
Friday
Mostly sunny, with a high near 13.
Friday Night
Mostly clear, with a low around 5.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 23.
Saturday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Monday
A chance of snow. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Elliston MT
 46.56°N 112.32°W (Elev. 6168 ft)
2:06 am MST Jan 20, 2026
10am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database