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.

38°F

3°C

Humidity	98%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	12 Apr 01:15 AM PDT

More Information:

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

Extended Forecast for

15 Miles NNW Yosemite Valley CA

Winter Storm Warning April 12, 02:01am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 02:01am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Overnight
Low: 37 °F
Rain/Snow
Sunday
High: 45 °F
Rain/Snow
then Showers
Sunday Night
Low: 31 °F
Rain/Snow
then Chance
Rain/Snow
Monday
High: 49 °F
Chance
Rain/Snow
then Chance
Showers
Monday Night
Low: 32 °F
Partly Cloudy
Tuesday
High: 56 °F
Sunny
Tuesday Night
Low: 37 °F
Mostly Clear
Wednesday
High: 57 °F
Mostly Sunny

Detailed Forecast

Overnight

Rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Snow level 4500 feet. Low around 37. West wind around 5 mph becoming east northeast. Winds could gust as high as 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

Sunday

Rain and snow showers, becoming all rain after 10am. Some thunder is also possible. Snow level 4200 feet rising to 5200 feet in the afternoon. High near 45. Wind chill values as low as 32 early. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Sunday Night

Rain before 11pm, then a chance of rain and snow. Some thunder is also possible. Snow level 5200 feet lowering to 4200 feet after midnight . Low around 31. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday

A chance of rain and snow before 11am, then a chance of rain. Some thunder is also possible. Snow level 4200 feet rising to 6000 feet in the afternoon. Partly sunny, with a high near 49. Wind chill values as low as 31 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 32. West wind around 5 mph becoming calm in the evening.

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 37. West wind around 5 mph becoming calm in the evening.

Wednesday

Mostly sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 40. 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. Mostly sunny, with a high near 55. Calm wind becoming west southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

Thursday Night

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

Friday

Sunny, with a high near 61. East northeast wind around 5 mph becoming west in the afternoon.

Friday Night

Mostly clear, with a low around 39. West wind around 5 mph becoming east northeast in the evening.

Saturday

Sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.