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

14 Miles NW Yosemite Valley CA

Winter Storm Warning April 12, 09:21am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 09:21am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Today
High: 32 °F
Heavy Snow
Tonight
Low: 30 °F
Heavy Snow
then Chance
Snow
Monday
High: 36 °F
Chance Snow
Monday Night
Low: 28 °F
Partly Cloudy
Tuesday
High: 43 °F
Sunny
Tuesday Night
Low: 33 °F
Mostly Clear
Wednesday
High: 45 °F
Mostly Sunny
Wednesday Night
Low: 36 °F
Mostly Cloudy

Detailed Forecast

Today

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 32. Wind chill values as low as 17. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 7 to 11 inches possible.

Tonight

Snow showers before 8pm, then snow, mainly between 8pm and 11pm. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 30. Wind chill values as low as 21. South southwest wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Monday

A chance of snow before 2pm, then a chance of snow showers after 2pm. Some thunder is also possible. Partly sunny, with a high near 36. Wind chill values as low as 19. East southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 28. West wind 5 to 10 mph becoming east northeast after midnight.

Tuesday

Sunny, with a high near 43. East northeast wind around 5 mph becoming west southwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 33. West wind 5 to 10 mph becoming east northeast in the evening.

Wednesday

Mostly sunny, with a high near 45. East wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

Wednesday Night

Mostly cloudy, with a low around 36. West wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph.

Thursday

A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Some thunder is also possible. Snow level 6700 feet. Mostly sunny, with a high near 43. Northeast wind 5 to 15 mph becoming west southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 10%.

Thursday Night

Mostly clear, with a low around 31. West wind 10 to 15 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.

Friday

Sunny, with a high near 48. East northeast wind 10 to 15 mph becoming west southwest in the morning. Winds could gust as high as 20 mph.

Friday Night

Mostly clear, with a low around 37. West southwest wind 5 to 10 mph becoming east northeast in the evening. Winds could gust as high as 15 mph.

Saturday

Sunny, with a high near 52. East northeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.