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.

43°F

6°C

Humidity	100%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	11 Apr 11:15 PM PDT

More Information:

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

Extended Forecast for

20 Miles NNW Yosemite Valley CA

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

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 12:06am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Overnight
Low: 31 °F
Rain/Snow
Sunday
High: 40 °F
Heavy Snow
Sunday Night
Low: 26 °F
Snow Showers
then Chance
Snow
Monday
High: 46 °F
Chance Snow
then Chance
Rain/Snow
Monday Night
Low: 28 °F
Partly Cloudy
Tuesday
High: 52 °F
Sunny
Tuesday Night
Low: 32 °F
Mostly Clear
Wednesday
High: 53 °F
Mostly Sunny

Detailed Forecast

Overnight

Rain showers before 1am, then snow showers. The rain and snow could be heavy at times. Some thunder is also possible. Low around 31. West southwest wind 10 to 15 mph becoming east. Winds could gust as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Sunday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 40. Wind chill values as low as 23. Southeast wind around 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Sunday Night

Snow showers before 8pm, then snow, mainly between 8pm and 11pm. Some thunder is also possible. Low around 26. West 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 2pm, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 46. Wind chill values as low as 23 early. East northeast wind around 5 mph becoming west in the morning. 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 around 5 mph becoming east northeast after midnight.

Tuesday

Sunny, with a high near 52. East northeast wind around 5 mph becoming west southwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 32. West wind around 5 mph becoming calm.

Wednesday

Mostly sunny, with a high near 53. East northeast wind around 5 mph becoming west southwest in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 35. West southwest wind around 5 mph becoming calm in the evening.

Thursday

A slight chance of rain before 11am, then a slight chance of showers and thunderstorms after 11am. Snow level 6700 feet. Mostly sunny, with a high near 52. Southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

Thursday Night

Mostly clear, with a low around 29. West wind around 10 mph becoming east northeast in the evening. Winds could gust as high as 15 mph.

Friday

Sunny, with a high near 57. East northeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

Friday Night

Mostly clear, with a low around 34. West southwest wind around 5 mph becoming east northeast in the evening.

Saturday

Sunny, with a high near 61. East northeast wind 5 to 10 mph becoming southwest in the afternoon.