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 >

Hazardous Weather Conditions

Current conditions at

EUREKA (EURM8)

Lat: 48.89781°NLon: 115.05836°WElev: 2632.0ft.

NA

41°F

5°C

Humidity 96%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 25 Dec 10:15 PM MST
Extended Forecast for

9 Miles E Eureka MT

Winter Weather Advisory December 26, 12:00pm until December 27, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A 40 percent chance of snow before 2am. Mostly cloudy, with a low around 26. South southwest wind 13 to 15 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: Snow, mainly between 10am and 2pm. The snow could be heavy at times. Patchy blowing snow after 8am. High near 29. South southwest wind 11 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow. Widespread blowing snow, mainly between 11pm and 2am. Low around 8. Wind chill values as low as zero. Breezy, with a south southwest wind 22 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 8 °F

    Snow and
    Blowing Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am. The snow could be heavy at times. Areas of blowing snow before 9am. Mostly cloudy, with a high near 18. Wind chill values as low as -6. South southwest wind 9 to 18 mph becoming northeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 18 °F

    Heavy Snow
    and Areas
    Blowing Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. North wind around 7 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 19.

    High: 19 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow before 2am. Mostly cloudy, with a low around 26. South southwest wind 13 to 15 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
Snow, mainly between 10am and 2pm. The snow could be heavy at times. Patchy blowing snow after 8am. High near 29. South southwest wind 11 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. Widespread blowing snow, mainly between 11pm and 2am. Low around 8. Wind chill values as low as zero. Breezy, with a south southwest wind 22 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow likely, mainly before 11am. The snow could be heavy at times. Areas of blowing snow before 9am. Mostly cloudy, with a high near 18. Wind chill values as low as -6. South southwest wind 9 to 18 mph becoming northeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Partly cloudy, with a low around 1. North wind around 7 mph.
Sunday
Partly sunny, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Mostly cloudy, with a high near 19.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
A chance of snow. Mostly cloudy, with a high near 27.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 21.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E Eureka MT
 48.9°N 114.84°W (Elev. 5699 ft)
Last Update:
1:01 pm MST Dec 25, 2025
Forecast Valid:
10pm MST Dec 25, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation