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

Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Overcast

54°F

12°C

Humidity 50%
Wind Speed SW 14 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 11 Dec 10:20 AM PST
Extended Forecast for

Grangeville ID

  • Today

    Today: Rain. High near 50. Southwest wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 1am. Cloudy, with a low around 45. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Friday

    Friday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 54. South southwest wind around 8 mph.

    High: 54 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53. South wind around 6 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
Rain. High near 50. Southwest wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Tonight
Rain likely, mainly before 1am. Cloudy, with a low around 45. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 54. South southwest wind around 8 mph.
Friday Night
Mostly cloudy, with a low around 38. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 53. South wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 51.
Monday Night
Rain. Mostly cloudy, with a low around 40.
Tuesday
Rain. Mostly cloudy, with a high near 48.
Tuesday Night
Rain and snow. Mostly cloudy, with a low around 36.
Wednesday
Rain and snow likely. Snow level 3700 feet. Mostly cloudy, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.93°N 116.12°W (Elev. 3389 ft)
Last Update:
1:02 am MST Dec 11, 2025
Forecast Valid:
11am MST Dec 11, 2025-6pm MST Dec 17, 2025
 
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