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

19 Miles SSW Sonora Pass CA

Winter Storm Warning April 12, 04:10am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 04:10am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Overnight
Low: 23 °F
Heavy Snow
Sunday
High: 28 °F
Heavy Snow
and Breezy
Sunday Night
Low: 18 °F
Heavy Snow
then Chance
Snow
Monday
High: 33 °F
Snow Likely
Monday Night
Low: 19 °F
Slight Chance
Snow then
Mostly Clear
Tuesday
High: 39 °F
Sunny
Tuesday Night
Low: 24 °F
Mostly Clear
Wednesday
High: 41 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 23. Wind chill values as low as 10. South southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 11 to 17 inches possible.

Sunday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 28. Wind chill values as low as 11. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 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 18. Southwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Monday

Snow likely, mainly between 11am and 2pm, then snow showers likely after 2pm. Some thunder is also possible. Partly sunny, with a high near 33. Wind chill values as low as 12. East wind around 5 mph becoming west in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 19. West wind around 5 mph becoming east northeast after midnight.

Tuesday

Sunny, with a high near 39. East northeast wind around 5 mph becoming west southwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 24. West southwest wind 5 to 10 mph becoming east northeast in the evening.

Wednesday

Mostly sunny, with a high near 41. East wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

Wednesday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 27. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Thursday

A chance of snow before 11am, then a slight chance of snow showers after 11am. Some thunder is also possible. Mostly sunny, with a high near 39. Southwest wind 5 to 15 mph. Chance of precipitation is 30%.

Thursday Night

Mostly clear, with a low around 21. West wind 10 to 15 mph becoming east northeast in the evening.

Friday

Sunny, with a high near 44. East northeast wind 10 to 15 mph becoming west in the afternoon.

Friday Night

Mostly clear, with a low around 26. West southwest wind 5 to 10 mph becoming east northeast in the evening.

Saturday

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