Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Clear

46°F

8°C

Humidity 65%
Wind Speed S 5 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 24 Dec 09:30 AM PST
Extended Forecast for

Cottonwood ID

  • Today

    Today: A 20 percent chance of rain after 1pm.  Mostly cloudy, with a high near 49. South wind around 11 mph, with gusts as high as 20 mph.

    High: 49 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 3am.  Mostly cloudy, with a low around 35. South southwest wind 5 to 8 mph becoming light and variable  after midnight.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Christmas Day

    Christmas Day: A 30 percent chance of rain, mainly before 11am.  Mostly cloudy, with a high near 46. South wind 5 to 8 mph.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 35. South wind around 9 mph.

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: Rain before 8am, then rain, possibly mixed with snow.  Snow level 4400 feet lowering to 3800 feet in the afternoon . High near 41. South wind 8 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Snow Likely

  • Saturday

    Saturday: A 20 percent chance of snow before 11am.  Mostly cloudy, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 49. South wind around 11 mph, with gusts as high as 20 mph.
Tonight
A 40 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 35. South southwest wind 5 to 8 mph becoming light and variable after midnight. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 46. South wind 5 to 8 mph.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35. South wind around 9 mph.
Friday
Rain before 8am, then rain, possibly mixed with snow. Snow level 4400 feet lowering to 3800 feet in the afternoon . High near 41. South wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Cottonwood ID
 46.07°N 116.34°W (Elev. 3497 ft)
1:02 am MST Dec 24, 2025
11am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database