Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

POR31-Iron Horse (LIB09)

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

NA

40°F

4°C

Humidity 94%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 10 Apr 09:20 PM PDT
Extended Forecast for

2 Miles SSW Portola CA

Winter Weather Advisory April 11, 02:00pm until April 12, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 2am.  Snow level 6500 feet. Mostly cloudy, with a low around 32. West wind around 5 mph becoming south after midnight.  Chance of precipitation is 70%.

    Low: 32 °F

    Showers
    Likely

  • Saturday

    Saturday: Rain showers before 5pm, then rain and snow showers. Some thunder is also possible.  Snow level 6500 feet. High near 49. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Showers
    Likely then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow showers, becoming all snow after 2am.  Snow level 6500 feet lowering to 5000 feet after midnight . Low around 25. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow

  • Sunday

    Sunday: Snow showers before 2pm, then snow showers, possibly mixed with rain. Some thunder is also possible.  High near 43. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 43 °F

    Snow Showers
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow showers likely, becoming all snow after 8pm.  Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph becoming light  in the evening.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow Showers

  • Monday

    Monday: A slight chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm.  Partly sunny, with a high near 48. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Snow level 6500 feet. Mostly cloudy, with a low around 32. West wind around 5 mph becoming south after midnight. Chance of precipitation is 70%.
Saturday
Rain showers before 5pm, then rain and snow showers. Some thunder is also possible. Snow level 6500 feet. High near 49. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Rain and snow showers, becoming all snow after 2am. Snow level 6500 feet lowering to 5000 feet after midnight . Low around 25. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday
Snow showers before 2pm, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 43. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Rain and snow showers likely, becoming all snow after 8pm. Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Partly sunny, with a high near 48. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
A slight chance of rain and snow showers. Snow level 7100 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Portola CA
 39.79°N 120.49°W (Elev. 4987 ft)
4:31 pm PDT Apr 10, 2026
9pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
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