Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

46°F

8°C

Humidity 42%
Wind Speed S 6 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 29 Jan 03:35 PM MST
Extended Forecast for

12 Miles WNW Darby MT

  • This Afternoon

    This Afternoon: A 30 percent chance of snow.  Mostly cloudy, with a high near 33. West wind around 8 mph.  Little or no snow accumulation expected.

    High: 33 °F

    Chance Snow

  • Tonight

    Tonight: A 10 percent chance of snow after 5am.  Mostly cloudy, with a low around 25. West southwest wind around 7 mph.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of snow before noon, then a chance of rain and snow.  Mostly cloudy, with a high near 38. West southwest wind 8 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow.  Mostly cloudy, with a low around 30. West southwest wind 10 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 11am.  Partly sunny, with a high near 40. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 11pm.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly before 11am.  Partly sunny, with a high near 35.

    High: 35 °F

    Snow Likely

Detailed Forecast

This Afternoon
A 30 percent chance of snow. Mostly cloudy, with a high near 33. West wind around 8 mph. Little or no snow accumulation expected.
Tonight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 25. West southwest wind around 7 mph.
Friday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 38. West southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow. Mostly cloudy, with a low around 30. West southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 40. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 42.
Sunday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 27.
Monday
Snow likely, mainly before 11am. Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
A slight chance of snow. Partly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Sunny, with a high near 45.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Darby MT
 46.11°N 114.39°W (Elev. 6086 ft)
2:07 pm MST Jan 29, 2026
4pm MST Jan 29, 2026-6pm MST Feb 5, 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