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

7 Miles WSW Kooskia ID

  • Today

    Today: A 30 percent chance of rain, mainly after 5pm.  Mostly cloudy, with a high near 49. South wind 6 to 8 mph.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: A 40 percent chance of rain between 1am and 4am.  Mostly cloudy, with a low around 36. West southwest wind around 6 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Christmas Day

    Christmas Day: A 30 percent chance of rain.  Mostly cloudy, with a high near 47. Calm wind becoming south around 6 mph in the afternoon.

    High: 47 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 36. South wind 6 to 8 mph.

    Low: 36 °F

    Chance Rain

  • Friday

    Friday: Rain.  Snow level 4400 feet lowering to 3800 feet in the afternoon . High near 43. South wind 6 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 8pm, then snow likely.  Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: A 30 percent chance of snow before 11am.  Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 49. South wind 6 to 8 mph.
Tonight
A 40 percent chance of rain between 1am and 4am. Mostly cloudy, with a low around 36. West southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
A 30 percent chance of rain. Mostly cloudy, with a high near 47. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. South wind 6 to 8 mph.
Friday
Rain. Snow level 4400 feet lowering to 3800 feet in the afternoon . High near 43. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely before 8pm, then snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow before 11am. Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 39.
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:
7 Miles WSW Kooskia ID
 46.1°N 116.09°W (Elev. 2894 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database