Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Overcast

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 09 Dec 05:15 PM PST
Extended Forecast for

Cottonwood ID

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

    NOW until 5:00pm Thu

    Flood Watch

  • Tonight

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 8am.  Mostly cloudy, with a high near 52. Southwest wind 16 to 18 mph, with gusts as high as 39 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 45. Southwest wind 16 to 18 mph, with gusts as high as 34 mph.

    Low: 45 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 51. Southwest wind around 15 mph, with gusts as high as 36 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 45. Southwest wind around 10 mph.  Chance of precipitation is 60%.

    Low: 45 °F

    Rain Likely

  • Friday

    Friday: A 20 percent chance of rain before 11am.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Tonight
Rain. Snow level 4500 feet rising to 8500 feet after midnight. Temperature rising to around 46 by 5am. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 52. Southwest wind 16 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 45. Southwest wind 16 to 18 mph, with gusts as high as 34 mph.
Thursday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 51. Southwest wind around 15 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 45. Southwest wind around 10 mph. Chance of precipitation is 60%.
Friday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 51.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 46.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Monday
A chance of rain. Mostly cloudy, with a high near 46.
Monday Night
Rain likely. Mostly cloudy, with a low around 39.
Tuesday
Rain likely. Mostly cloudy, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Cottonwood ID
 46.05°N 116.36°W (Elev. 3701 ft)
2:21 pm MST Dec 9, 2025
6pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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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