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

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

NA

28°F

-2°C

Humidity 88%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 29 Jan 01:08 PM MST
Extended Forecast for

Brockway MT

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly before 2pm.  Cloudy, with a high near 30. Calm wind.  Total daytime snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 9pm.  Mostly cloudy, with a low around 16. Calm wind becoming east around 5 mph after midnight.

    Low: 16 °F

    Slight Chance
    Snow then
    Cloudy

  • Friday

    Friday: Patchy freezing fog between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 32. Southeast wind 7 to 10 mph.

    High: 32 °F

    Patchy
    Freezing Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A chance of freezing rain after 11pm, mixing with rain after 2am.  Increasing clouds, with a low around 23. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    Low: 23 °F

    Chance
    Freezing Rain
    then Chance
    Rain/Freezing
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain before 11am.  Partly sunny, with a high near 44. Southwest wind 10 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 44 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40. West wind around 5 mph becoming calm.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. South southeast wind 3 to 6 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42. South southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly before 2pm. Cloudy, with a high near 30. Calm wind. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow before 9pm. Mostly cloudy, with a low around 16. Calm wind becoming east around 5 mph after midnight.
Friday
Patchy freezing fog between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 32. Southeast wind 7 to 10 mph.
Friday Night
A chance of freezing rain after 11pm, mixing with rain after 2am. Increasing clouds, with a low around 23. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of rain before 11am. Partly sunny, with a high near 44. Southwest wind 10 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 24. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 40. West wind around 5 mph becoming calm.
Sunday Night
Mostly cloudy, with a low around 26. South southeast wind 3 to 6 mph.
Monday
Partly sunny, with a high near 42. South southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 22. West northwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 37. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 43.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Brockway MT
 47.3°N 105.76°W (Elev. 2589 ft)
10:13 am MST Jan 29, 2026
1pm MST Jan 29, 2026-6pm MST Feb 4, 2026
 
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