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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

Portola - Gulling Street (CQ236)

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

NA

42°F

6°C

Humidity 83%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 09 Apr 03:00 AM PDT
Extended Forecast for

Portola CA

Winter Storm Watch April 11, 11:00am until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 64. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. Snow level 7700 feet. High near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%.

    High: 55 °F

    Showers

  • Friday Night

    Friday Night: Showers. Snow level 7100 feet lowering to 6400 feet after midnight . Low around 35. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 35 °F

    Showers

  • Saturday

    Saturday: Showers. Snow level 6200 feet. High near 47. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Saturday Night

    Saturday Night: Rain and snow showers, becoming all snow after 11pm. Snow level 6100 feet lowering to 5000 feet after midnight . Low around 24. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Rain/Snow
    then Snow
    Showers

  • Sunday

    Sunday: Snow showers before 5pm, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 42. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 42 °F

    Snow Showers
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers before 2pm, then a slight chance of rain showers. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 64. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Friday
Showers and possibly a thunderstorm. Snow level 7700 feet. High near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%.
Friday Night
Showers. Snow level 7100 feet lowering to 6400 feet after midnight . Low around 35. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday
Showers. Snow level 6200 feet. High near 47. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain and snow showers, becoming all snow after 11pm. Snow level 6100 feet lowering to 5000 feet after midnight . Low around 24. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow showers before 5pm, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 42. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 24.
Monday
A slight chance of snow showers before 2pm, then a slight chance of rain showers. Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portola CA
 39.81°N 120.46°W (Elev. 4984 ft)
Last Update:
4:31 am PDT Apr 9, 2026
Forecast Valid:
4am PDT Apr 9, 2026-6pm PDT Apr 15, 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