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.

42°F

6°C

Humidity	100%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	12 Apr 12:15 AM PDT

More Information:

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

Extended Forecast for

16 Miles NNW Yosemite Valley CA

Winter Storm Warning April 12, 01:16am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 01:16am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Overnight
Low: 33 °F
Heavy Snow
Sunday
High: 37 °F
Heavy Snow
Sunday Night
Low: 26 °F
Heavy Snow
then Chance
Snow
Monday
High: 41 °F
Chance Snow
then Chance
Rain/Snow
Monday Night
Low: 28 °F
Partly Cloudy
Tuesday
High: 47 °F
Sunny
Tuesday Night
Low: 33 °F
Mostly Clear
Wednesday
High: 49 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 33. Wind chill values as low as 26. West wind 10 to 15 mph becoming north. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

Sunday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 37. Wind chill values as low as 25. Southeast wind 10 to 15 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. The snow could be heavy at times. Some thunder is also possible. Low around 26. West southwest wind around 5 mph becoming east northeast 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 rain showers. Some thunder is also possible. Partly sunny, with a high near 41. Wind chill values as low as 20. East 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 47. East northeast wind around 5 mph becoming west southwest in the afternoon.

Tuesday Night

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

Wednesday

Mostly sunny, with a high near 49. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 36. West southwest wind 5 to 10 mph becoming southeast in the evening.

Thursday

A slight chance of rain showers before 8am, then a slight chance of rain and snow showers between 8am and 11am, then a slight chance of rain showers after 11am. Some thunder is also possible. Snow level 6700 feet. Mostly sunny, with a high near 47. South 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.

Friday

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

Friday Night

Mostly clear, with a low around 35. West southwest wind around 5 mph becoming east northeast after midnight.

Saturday

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