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 >

Current conditions at

POR31-Iron Horse (LIB09)

Lat: 39.77898°NLon: 120.50284°WElev: 5001.0ft.

NA

N/A

Humidity 95%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 27 Dec 03:00 PM PST
Extended Forecast for

2 Miles SSW Portola CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. East wind around 5 mph becoming calm.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. Calm wind becoming east around 5 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. East wind around 5 mph.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. East wind around 5 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 20. East wind around 5 mph.

    Low: 20 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. East wind around 5 mph.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 24.

    Low: 24 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. East wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 45. Calm wind becoming east around 5 mph.
Sunday Night
Mostly clear, with a low around 19. East wind around 5 mph.
Monday
Sunny, with a high near 49. East wind around 5 mph.
Monday Night
Clear, with a low around 20. East wind around 5 mph.
Tuesday
Sunny, with a high near 52. East wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 54.
Wednesday Night
Clear, with a low around 24.
Thursday
Sunny, with a high near 55.
Thursday Night
Clear, with a low around 24.
Friday
Sunny, with a high near 53.
Friday Night
Clear, with a low around 26.
Saturday
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Portola CA
 39.79°N 120.49°W (Elev. 4987 ft)
Last Update:
1:15 pm PST Jan 10, 2026
Forecast Valid:
7pm PST Jan 10, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation