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.

35°F

2°C

Humidity	99%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	12 Apr 09:15 AM PDT

More Information:

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

Extended Forecast for

Yosemite Valley CA

Winter Storm Warning April 12, 09:57am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 09:57am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Today
High: 45 °F
Rain/Snow
then Showers
Tonight
Low: 25 °F
Rain/Snow
then Chance
Rain/Snow
Monday
High: 50 °F
Chance
Rain/Snow
then Chance
Showers
Monday Night
Low: 28 °F
Partly Cloudy
Tuesday
High: 56 °F
Sunny
Tuesday Night
Low: 33 °F
Mostly Clear
Wednesday
High: 58 °F
Mostly Sunny
Wednesday Night
Low: 35 °F
Mostly Cloudy

Detailed Forecast

Today

Snow showers before 11am, then rain and snow showers between 11am and noon, then rain showers after noon. The snow could be heavy at times. Some thunder is also possible. Snow level rising to 5200 feet in the afternoon. High near 45. Wind chill values as low as 30 early. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

Tonight

Rain before 8pm, then rain and snow between 8pm and 2am, then a chance of snow after 2am. Some thunder is also possible. Snow level 5300 feet lowering to 4800 feet after midnight . Low around 25. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Monday

A slight chance of snow before 11am, then a chance of rain showers. Some thunder is also possible. Snow level rising to 6200 feet in the afternoon. Mostly sunny, with a high near 50. Wind chill values as low as 26 early. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

Monday Night

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

Tuesday

Sunny, with a high near 56. Calm wind becoming west southwest around 5 mph in the afternoon.

Tuesday Night

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

Wednesday

Mostly sunny, with a high near 58. Calm wind becoming west southwest around 5 mph 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 10 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 55. South southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

Thursday Night

Mostly clear, with a low around 28. West wind 5 to 10 mph becoming east northeast in the evening.

Friday

Sunny, with a high near 60. East northeast wind around 5 mph becoming west southwest in the morning.

Friday Night

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

Saturday

Sunny, with a high near 65. East wind 5 to 10 mph becoming southwest in the afternoon.