Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Portola - Gulling Street (CQ236)

Lat: 39.81336°NLon: 120.47069°WElev: 4895.0ft.

NA

31°F

-1°C

Humidity 86%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 21 Jan 12:00 AM PST
Extended Forecast for

Portola CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. Calm wind.
Wednesday
Mostly cloudy, with a high near 50. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 24. Calm wind.
Thursday
Partly sunny, with a high near 52. Calm wind.
Thursday Night
Mostly clear, with a low around 25. Calm wind.
Friday
Sunny, with a high near 50. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 20.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Portola CA
 39.81°N 120.46°W (Elev. 4984 ft)
1:15 am PST Jan 21, 2026
1am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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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