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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Grangeville - Idaho County Airport (KGIC)

Lat: 45.94111°NLon: 116.13257°WElev: 3287.0ft.

Clear

21°F

-6°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 30 Dec 12:15 AM PST
Extended Forecast for

Grangeville ID

Air Stagnation Advisory until January 1, 01:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 01:00pm

    NOW until 1:00pm Thu

    Air Stagnation Advisory

  • Overnight

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 40. Calm wind.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. South wind 3 to 5 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 42. Light south wind.

    High: 42 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Light south wind.

    Low: 28 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. Calm wind.
Tuesday
Sunny, with a high near 40. Calm wind.
Tuesday Night
Mostly clear, with a low around 26. South wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 42. Light south wind.
Wednesday Night
Mostly cloudy, with a low around 28. Light south wind.
New Year's Day
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 41.
Thursday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 35.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
Rain likely. Mostly cloudy, with a high near 45.
Saturday Night
A chance of rain and snow. Snow level 4900 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Snow level 3900 feet. Partly sunny, with a high near 42.
Sunday Night
A slight chance of rain and snow. Snow level 4200 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow. Snow level 3500 feet rising to 4200 feet in the afternoon. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
Last Update:
1:03 am MST Dec 30, 2025
Forecast Valid:
1am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation