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

TUOLUMNE MEADOWS TUM (TUMC1)

Lat: 37.87639°NLon: 119.34806°WElev: 8654.0ft.

22°F

-6°C

Humidity	86%
Wind Speed	WSW 1 MPH
Barometer	NA
Dewpoint	18°F (-8°C)
Visibility	NA
Last update	12 Apr 08:00 AM PDT

More Information:

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

Extended Forecast for

12 Miles S Sonora Pass CA

Winter Storm Warning April 12, 09:07am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 09:07am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Today
High: 27 °F
Heavy Snow
and Breezy
Tonight
Low: 10 °F
Heavy Snow
then Chance
Snow
Monday
High: 31 °F
Snow Likely
Monday Night
Low: 12 °F
Slight Chance
Snow then
Mostly Clear
Tuesday
High: 36 °F
Sunny
Tuesday Night
Low: 17 °F
Mostly Clear
Wednesday
High: 38 °F
Mostly Sunny
Wednesday Night
Low: 20 °F
Slight Chance
Snow

Detailed Forecast

Today

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 27. Wind chill values as low as zero. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 13 to 19 inches possible.

Tonight

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 10. South southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Monday

Snow likely, mainly after 11am. Partly sunny and cold, with a high near 31. Wind chill values as low as 2. South southwest wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Monday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 12. Wind chill values as low as 3. West northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.

Tuesday

Sunny, with a high near 36. East southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

Tuesday Night

Mostly clear, with a low around 17. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 38. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Wednesday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 20. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

A chance of snow before 11am, then a chance of snow showers after 11am. Some thunder is also possible. Partly sunny, with a high near 36. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Thursday Night

Mostly clear, with a low around 11. West wind around 15 mph becoming east northeast in the evening. Winds could gust as high as 25 mph.

Friday

Sunny, with a high near 41. East northeast wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Mostly clear, with a low around 17. West southwest wind around 10 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.

Saturday

Mostly sunny, with a high near 45. East wind around 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.