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

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

DEER MOUNTAIN (DMFW1)

Lat: 48.79608°NLon: 117.44594°WElev: 3340.0ft.

NA

33°F

1°C

Humidity 100%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 26 Dec 01:56 AM PST
Extended Forecast for

9 Miles E Ione WA

  • Overnight

    Overnight: A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 26. South wind around 11 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Friday

    Friday: Snow, mainly after 10am. The snow could be heavy at times. Patchy blowing snow after 4pm. High near 28. South wind 9 to 16 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.

    High: 28 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm. The snow could be heavy at times. Areas of blowing snow before 10pm. Low around 10. Wind chill values as low as -3. Breezy, with a southwest wind 17 to 21 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 10 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am. Mostly sunny, with a high near 14. Wind chill values as low as -7. Northwest wind 10 to 15 mph.

    High: 14 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. North wind 6 to 8 mph.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 20.

    High: 20 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 26. South wind around 11 mph.
Friday
Snow, mainly after 10am. The snow could be heavy at times. Patchy blowing snow after 4pm. High near 28. South wind 9 to 16 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.
Friday Night
Snow, mainly before 10pm. The snow could be heavy at times. Areas of blowing snow before 10pm. Low around 10. Wind chill values as low as -3. Breezy, with a southwest wind 17 to 21 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
A 20 percent chance of snow before 10am. Mostly sunny, with a high near 14. Wind chill values as low as -7. Northwest wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 4. North wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Mostly cloudy, with a high near 20.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 24.
Tuesday Night
A 10 percent chance of snow. Mostly cloudy, with a low around 18.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 25.
Wednesday Night
A 40 percent chance of snow. Cloudy, with a low around 22.
New Year's Day
Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E Ione WA
 48.74°N 117.23°W (Elev. 5476 ft)
Last Update:
1:32 am PST Dec 26, 2025
Forecast Valid:
2am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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