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

Excessive Rainfall Areas Today; Tropical Storm Jerry Forms

Heavy to excessive rainfall is possible today and tonight ahead of and along a cold front crossing portions of Kentucky, middle Tennessee, the Ohio Valley and New Mexico. Tropical Storm Jerry, the tenth named storm of the 2025 season, has formed over the central tropical Atlantic. Jerry is expected to be near or north of the northern Leeward Islands on Thursday and Friday. Read More >

Current conditions at

POR31-Iron Horse (LIB09)

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

NA

71°F

22°C

Humidity 31%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 07 Oct 03:40 PM PDT
Extended Forecast for

4 Miles SW Portola CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West wind around 5 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. Southwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Southwest wind 10 to 15 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am. Snow level 7400 feet. Mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Snow level 7400 feet lowering to 6700 feet after midnight . Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind around 5 mph.
Tonight
Clear, with a low around 37. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 70. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 37. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 36. Southwest wind 10 to 15 mph.
Friday
A 20 percent chance of showers after 11am. Snow level 7400 feet. Mostly sunny, with a high near 55.
Friday Night
A chance of showers. Snow level 7400 feet lowering to 6700 feet after midnight . Mostly cloudy, with a low around 31.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 30.
Columbus Day
A chance of rain and snow showers. Snow level 5900 feet rising to 6800 feet in the afternoon. Partly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Portola CA
 39.76°N 120.51°W (Elev. 5164 ft)
Last Update:
2:32 pm PDT Oct 7, 2025
Forecast Valid:
3pm PDT Oct 7, 2025-6pm PDT Oct 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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