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.

18°F

-8°C

Humidity	87%
Wind Speed	SSE 0 MPH
Barometer	NA
Dewpoint	15°F (-9°C)
Visibility	NA
Last update	12 Apr 06:00 AM PDT

More Information:

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

Extended Forecast for

2 Miles ESE Tioga Pass CA

Winter Storm Warning April 12, 06:59am until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 06:59am until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Today
High: 20 °F
Heavy Snow
and Breezy
Tonight
Low: 8 °F
Snow Likely
then Slight
Chance Snow
Monday
High: 24 °F
Chance Snow
Monday Night
Low: 12 °F
Partly Cloudy
Tuesday
High: 31 °F
Cold
Tuesday Night
Low: 18 °F
Mostly Clear
Wednesday
High: 33 °F
Mostly Sunny
Wednesday Night
Low: 19 °F
Mostly Cloudy

Detailed Forecast

Today

Snow showers before 8am, then snow between 8am and 11am, then snow showers after 11am. The snow could be heavy at times. Some thunder is also possible. High near 20. Wind chill values as low as -3. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 8. West 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 70%. New snow accumulation of 2 to 4 inches possible.

Monday

A 50 percent chance of snow, mainly after 11am. Partly sunny and cold, with a high near 24. Wind chill values as low as 1. West northwest wind around 5 mph, with gusts as high as 20 mph. New snow accumulation of 1 to 2 inches possible.

Monday Night

Partly cloudy, with a low around 12. Wind chill values as low as 4. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday

Sunny and cold, with a high near 31. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 18. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 33. West southwest wind 5 to 15 mph, with gusts as high as 30 mph.

Wednesday Night

Mostly cloudy, with a low around 19. West southwest wind 10 to 15 mph, with gusts as high as 35 mph.

Thursday

A 20 percent chance of snow showers after 11am. Some thunder is also possible. Mostly sunny and cold, with a high near 30. West southwest wind 10 to 15 mph, with gusts as high as 35 mph.

Thursday Night

Partly cloudy, with a low around 11. West wind around 15 mph becoming north northeast in the evening. Winds could gust as high as 35 mph.

Friday

Sunny and cold, with a high near 32. Northwest wind around 10 mph becoming northeast in the morning. Winds could gust as high as 25 mph.

Friday Night

Mostly clear, with a low around 18. West southwest wind 5 to 10 mph, with gusts as high as 25 mph.

Saturday

Mostly sunny, with a high near 39. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.