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 >

Hazardous Weather Conditions

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Clear

34°F

1°C

Humidity 74%
Wind Speed E 3 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 30 Dec 02:15 PM 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

  • This Afternoon

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. South wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 28 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 40. Calm wind.
Tonight
Mostly clear, with a low around 26. South wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 42. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 28. Light and variable wind.
New Year's Day
Mostly cloudy, with a high near 42. Calm wind.
Thursday Night
A 30 percent chance of rain after 11pm. Cloudy, with a low around 35.
Friday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Friday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 36.
Saturday
Rain likely. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Snow level 4300 feet. Partly sunny, with a high near 44.
Sunday Night
A chance of rain and snow. Snow level 4200 feet. Mostly cloudy, with a low around 31.
Monday
A chance of rain and snow. Snow level 3900 feet. Partly sunny, with a high near 42.
Monday Night
A chance of rain and snow. Snow level 4200 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 30.
Tuesday
A chance of rain and snow. Snow level 3400 feet. Mostly cloudy, with a high near 41.
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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:
1:02 pm MST Dec 30, 2025
Forecast Valid:
3pm MST Dec 30, 2025-6pm MST Jan 6, 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