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.

24°F

-4°C

Humidity	92%
Wind Speed	SSE 40 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	5°F (-15°C)
Last update	12 Apr 03:00 AM PDT

More Information:

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

Extended Forecast for

17 Miles SSW Sonora Pass CA

Winter Storm Warning April 12, 03:49am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 03:49am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Overnight
Low: 19 °F
Heavy Snow
and Breezy
Sunday
High: 26 °F
Heavy Snow
and Breezy
Sunday Night
Low: 13 °F
Heavy Snow
then Chance
Snow
Monday
High: 31 °F
Snow Likely
Monday Night
Low: 14 °F
Slight Chance
Snow then
Mostly Clear
Tuesday
High: 36 °F
Sunny
Tuesday Night
Low: 19 °F
Mostly Clear
Wednesday
High: 38 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 19. Wind chill values as low as 4. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 13 to 19 inches possible.

Sunday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 26. Wind chill values as low as 4. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 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 13. Wind chill values as low as 4. Southwest wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

Monday

Snow likely, mainly between 11am and 2pm, then snow showers likely after 2pm. Some thunder is also possible. Partly sunny and cold, with a high near 31. Wind chill values as low as 6. Southeast wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Monday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 14. West wind 5 to 10 mph becoming east northeast after midnight.

Tuesday

Sunny, with a high near 36. East wind 5 to 10 mph becoming west southwest in the morning.

Tuesday Night

Mostly clear, with a low around 19. West southwest wind 5 to 10 mph becoming east in the evening.

Wednesday

Mostly sunny, with a high near 38. East wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 22. Southwest wind 5 to 15 mph, with gusts as high as 20 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 36. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday Night

Mostly clear, with a low around 15. Blustery, with a west wind 15 to 20 mph becoming east northeast in the evening.

Friday

Sunny, with a high near 40. 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 21. West southwest wind around 10 mph becoming east northeast in the evening. Winds could gust as high as 15 mph.

Saturday

Mostly sunny, with a high near 45. East northeast wind around 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.