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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Overcast

43°F

6°C

Humidity 70%
Wind Speed SSW 32 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 07 Dec 02:35 PM PST
Extended Forecast for

Grangeville ID

Flood Watch December 8, 05:00pm until December 11, 05:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Rain. High near 42. South southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 42 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 7pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 37. Southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Rain. Patchy fog between 7am and 11am. High near 45. South southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain. Low around 41. South southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Tuesday

    Tuesday: Rain. Patchy fog. High near 44. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain. Patchy fog. Low around 37. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain. Patchy fog before 8am. High near 46. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Rain likely, possibly mixed with snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 42.

    High: 42 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain. High near 42. South southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Tonight
Rain likely, mainly before 7pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 37. Southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
Rain. Patchy fog between 7am and 11am. High near 45. South southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 41. South southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. Patchy fog. High near 44. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Patchy fog. Low around 37. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. Patchy fog before 8am. High near 46. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain before 11pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 35.
Thursday
Rain likely, possibly mixed with snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 42.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 45.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 34.
Saturday
A slight chance of rain. Partly sunny, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
Last Update:
1:01 pm MST Dec 7, 2025
Forecast Valid:
4pm MST Dec 7, 2025-6pm MST Dec 14, 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