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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Portola - Gulling Street (CQ236)

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

NA

36°F

2°C

Humidity 60%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 29 Dec 12:00 PM PST
Extended Forecast for

Portola CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. East wind around 5 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. East wind around 5 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48. East wind around 5 mph.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Snow level 7800 feet. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain

  • Friday

    Friday: Rain likely. Snow level 7400 feet. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 42. East wind around 5 mph.
Tonight
Mostly clear, with a low around 17. East wind around 5 mph.
Tuesday
Sunny, with a high near 48. East wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Calm wind.
Wednesday
Mostly cloudy, with a high near 48. Calm wind.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 60%.
New Year's Day
Rain. High near 46. Chance of precipitation is 80%.
Thursday Night
Rain. Snow level 7800 feet. Mostly cloudy, with a low around 32.
Friday
Rain likely. Snow level 7400 feet. Mostly cloudy, with a high near 49.
Friday Night
Rain likely before 10pm, then rain and snow likely. Snow level 6600 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 32.
Saturday
Rain and snow likely. Snow level 5300 feet. Mostly cloudy, with a high near 45.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 28.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portola CA
 39.81°N 120.46°W (Elev. 4984 ft)
Last Update:
9:15 am PST Dec 29, 2025
Forecast Valid:
1pm PST Dec 29, 2025-6pm PST Jan 4, 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