National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

42°F

6°C

Humidity 44%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 30 Dec 11:18 AM MST
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Today

    Today: Mostly sunny, with a high near 38. South wind around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. South southeast wind 5 to 7 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. Southeast wind 3 to 6 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. South southeast wind around 6 mph becoming calm in the evening.

    Low: 21 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. Calm wind becoming south southeast around 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 41. West southwest wind 3 to 6 mph.

    High: 41 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. South wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 38. South wind around 5 mph.
Tonight
Mostly clear, with a low around 23. South southeast wind 5 to 7 mph.
Wednesday
Sunny, with a high near 40. Southeast wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 21. South southeast wind around 6 mph becoming calm in the evening.
New Year's Day
Mostly sunny, with a high near 37. Calm wind.
Thursday Night
Mostly cloudy, with a low around 23. Calm wind becoming south southeast around 5 mph.
Friday
Mostly cloudy, with a high near 41. West southwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 27. South wind around 6 mph.
Saturday
Partly sunny, with a high near 45.
Saturday Night
A slight chance of rain and snow before 11pm. Mostly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Big Sandy MT
 48.16°N 110.04°W (Elev. 2825 ft)
Last Update:
10:12 am MST Dec 30, 2025
Forecast Valid:
11am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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Additional Resources

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