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

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Clear

28°F

-2°C

Humidity 79%
Wind Speed NNW 8 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 20 Jan 10:35 AM MST
Extended Forecast for

4 Miles NNE Darby MT

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 39. West wind around 5 mph becoming calm  in the afternoon.

    High: 39 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 21. South southeast wind 3 to 6 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. South wind around 6 mph becoming calm  in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Calm wind becoming south around 5 mph after midnight.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35. South wind around 5 mph becoming light and variable  in the morning.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 39. West wind around 5 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 21. South southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 37. South wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Partly cloudy, with a low around 20. Calm wind becoming south around 5 mph after midnight.
Thursday
Partly sunny, with a high near 35. South wind around 5 mph becoming light and variable in the morning.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 29.
Friday Night
Mostly clear, with a low around 14.
Saturday
Sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
A slight chance of snow. Mostly sunny, with a high near 38.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Monday
A chance of snow. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Darby MT
 46.09°N 114.14°W (Elev. 5161 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