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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

48°F

9°C

Humidity 17%
Wind Speed NE 7 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 09 Jan 07:01 AM PST
Extended Forecast for

9 Miles ESE Calpella CA

Cold Weather Advisory until January 9, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory until January 9, 09:00am

    NOW until 9:00am Fri

    Cold Weather Advisory

  • Today

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Calm wind becoming southeast around 6 mph in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Southeast wind around 10 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. East southeast wind 3 to 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Northeast wind around 5 mph becoming west northwest in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread haze between 10pm and 1am. Mostly clear, with a low around 40. North northeast wind around 6 mph.

    Low: 40 °F

    Haze

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 56. East southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 37. Calm wind becoming southeast around 6 mph in the evening.
Saturday
Mostly sunny, with a high near 56. Southeast wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 40. East southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 60. Northeast wind around 5 mph becoming west northwest in the afternoon.
Sunday Night
Widespread haze between 10pm and 1am. Mostly clear, with a low around 40. North northeast wind around 6 mph.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Calpella CA
 39.19°N 123.05°W (Elev. 2031 ft)
Last Update:
1:10 am PST Jan 9, 2026
Forecast Valid:
8am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation