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 Storm Warning until April 12, 11:00 PM PDT

Current conditions at

YOSEMITE VALLEY NEAR YOSEMITE VILLAGE 1NNW YYV (YYVC1)

Lat: 37.74972°NLon: 119.58944°WElev: 4022.0ft.

34°F

1°C

Humidity	100%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	12 Apr 08:15 AM PDT

More Information:

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

Extended Forecast for

17 Miles NW Yosemite Valley CA

Winter Storm Warning April 12, 09:13am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 09:13am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Today
High: 42 °F
Snow Showers
Tonight
Low: 20 °F
Snow Showers
then Chance
Snow
Monday
High: 47 °F
Chance
Rain/Snow
then Chance
Showers
Monday Night
Low: 21 °F
Partly Cloudy
Tuesday
High: 54 °F
Sunny
Tuesday Night
Low: 26 °F
Mostly Clear
Wednesday
High: 56 °F
Mostly Sunny
Wednesday Night
Low: 30 °F
Mostly Cloudy

Detailed Forecast

Today

Snow showers. Some thunder is also possible. High near 42. Wind chill values as low as 22. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow showers before 8pm, then snow, mainly between 8pm and 11pm. Some thunder is also possible. Low around 20. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Monday

A chance of snow before 11am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 47. Wind chill values as low as 17 early. East wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

Monday Night

Partly cloudy, with a low around 21. West wind 5 to 10 mph becoming east northeast after midnight.

Tuesday

Sunny, with a high near 54. East northeast wind around 5 mph becoming west southwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 26. West wind around 5 mph becoming east northeast after midnight.

Wednesday

Mostly sunny, with a high near 56. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 30. West southwest wind 5 to 10 mph becoming light and variable in the evening.

Thursday

A slight chance of rain and snow showers before 11am, then a slight chance of rain showers. Some thunder is also possible. Mostly sunny, with a high near 54. East northeast wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Thursday Night

Mostly clear, with a low around 24. West wind around 10 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.

Friday

Sunny, with a high near 59. East northeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 15 mph.

Friday Night

Mostly clear, with a low around 29. West wind 5 to 10 mph becoming east northeast in the evening.

Saturday

Sunny, with a high near 64. East northeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.