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 >

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 11, 02:00 PM PDT until April 12, 11:00 PM PDT

Current conditions at

POR31-Iron Horse (LIB09)

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

30°F

-1°C

Humidity	97%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	12 Apr 06:50 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles SSW Portola CA

Winter Weather Advisory until April 12, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Weather Advisory
Today
High: 43 °F
Snow Showers
Tonight
Low: 23 °F
Snow Showers
Likely then
Slight Chance
Snow Showers
Monday
High: 50 °F
Mostly Sunny
Monday Night
Low: 25 °F
Partly Cloudy
Tuesday
High: 54 °F
Mostly Sunny
Tuesday Night
Low: 28 °F
Partly Cloudy
Wednesday
High: 53 °F
Partly Sunny
Wednesday Night
Low: 28 °F
Chance
Showers then
Chance
Rain/Snow

Detailed Forecast

Today

Snow showers. Some thunder is also possible. High near 43. Northeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 23. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday

Mostly sunny, with a high near 50. Calm wind becoming west around 5 mph in the afternoon.

Monday Night

Partly cloudy, with a low around 25. West wind around 5 mph becoming calm in the evening.

Tuesday

Mostly sunny, with a high near 54. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 28. West wind 5 to 10 mph becoming light southwest in the evening.

Wednesday

Partly sunny, with a high near 53.

Wednesday Night

A chance of rain showers before 2am, then a chance of rain and snow showers. Snow level 7100 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 28.

Thursday

A slight chance of rain and snow showers before 8am, then a slight chance of snow showers between 8am and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 50.

Thursday Night

Mostly clear, with a low around 21.

Friday

Sunny, with a high near 58.

Friday Night

Mostly clear, with a low around 26.

Saturday

Mostly sunny, with a high near 64.