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.

32°F

0°C

Humidity	100%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	12 Apr 05:15 AM PDT

More Information:

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

Extended Forecast for

2 Miles S Yosemite Valley CA

Winter Storm Warning April 12, 06:17am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 06:17am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Today
High: 32 °F
Heavy Snow
Tonight
Low: 23 °F
Heavy Snow
then Slight
Chance Snow
Monday
High: 36 °F
Chance Snow
Monday Night
Low: 26 °F
Partly Cloudy
Tuesday
High: 43 °F
Sunny
Tuesday Night
Low: 30 °F
Mostly Clear
Wednesday
High: 45 °F
Mostly Sunny
Wednesday Night
Low: 32 °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 21. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 7 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. Low around 23. West southwest wind around 5 mph becoming east after midnight. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Monday

A chance of snow, mainly between 11am and 2pm, then a chance of snow showers after 2pm. Some thunder is also possible. Mostly sunny, with a high near 36. Wind chill values as low as 17. East southeast wind around 5 mph becoming west in the morning. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 26. Wind chill values as low as 19. West wind around 5 mph becoming east after midnight.

Tuesday

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

Tuesday Night

Mostly clear, with a low around 30. West southwest wind around 5 mph becoming east in the evening.

Wednesday

Mostly sunny, with a high near 45. East wind around 5 mph becoming west southwest in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 32. West southwest wind around 5 mph becoming east after midnight.

Thursday

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

Thursday Night

Mostly clear, with a low around 26. West wind 5 to 10 mph becoming east northeast in the evening. Winds could gust as high as 15 mph.

Friday

Sunny, with a high near 47. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.

Friday Night

Mostly clear, with a low around 32. West southwest wind around 5 mph becoming east in the evening.

Saturday

Sunny, with a high near 52. East wind 5 to 10 mph becoming southwest in the afternoon.