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

3 Miles W Portola CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. East wind around 5 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. Northeast wind around 5 mph.

    Low: 14 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 43. East wind around 5 mph.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. East wind around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Calm wind becoming east around 5 mph.

    High: 47 °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 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 40. East wind around 5 mph.
Tonight
Mostly clear, with a low around 14. Northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 43. East wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 18. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 47. 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 50.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Clear, with a low around 25.
Thursday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Portola CA
 39.8°N 120.52°W (Elev. 4908 ft)
Last Update:
1:15 pm PST Jan 9, 2026
Forecast Valid:
1pm PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation