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

50°F

10°C

Humidity 61%
Wind Speed NNW 5 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 24 Dec 10:20 AM PST
Extended Forecast for

3 Miles ESE Grangeville ID

  • Today

    Today: A 30 percent chance of rain, mainly after 2pm.  Mostly cloudy, with a high near 51. South wind around 9 mph, with gusts as high as 21 mph.

    High: 51 °F

    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 2am.  Mostly cloudy, with a low around 35. South southeast wind 5 to 7 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Christmas Day

    Christmas Day: A 40 percent chance of rain.  Mostly cloudy, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 36. South wind 7 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: Rain before 8am, then rain, possibly mixed with snow.  Snow level 4400 feet lowering to 3800 feet in the afternoon . High near 42. Southwest wind 7 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow likely, becoming all snow after 8pm.  Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: A 40 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 Partly
    Sunny

  • Saturday Night

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

    Low: 23 °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 2pm. Mostly cloudy, with a high near 51. South wind around 9 mph, with gusts as high as 21 mph.
Tonight
A 50 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 35. South southeast wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
A 40 percent chance of rain. Mostly cloudy, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 36. South wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Friday
Rain before 8am, then rain, possibly mixed with snow. Snow level 4400 feet lowering to 3800 feet in the afternoon . High near 42. Southwest wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A 40 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 23.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Grangeville ID
 45.91°N 116.08°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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database