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 in effect from April 11, 02:00 PM PDT until April 12, 11:00 PM PDT

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

33°F

1°C

Humidity	68%
Wind Speed	WNW 4 MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	11 Apr 06:04 AM PDT

More Information:

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

Extended Forecast for

17 Miles SE Mammoth Lakes CA

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

Click here for hazard details and duration

Winter Storm Warning

Today
High: 44 °F
Mostly Sunny
and Breezy
Tonight
Low: 15 °F
Heavy Snow
and Windy
Sunday
High: 34 °F
Heavy Snow
and Windy
Sunday Night
Low: 10 °F
Chance Snow
Showers and
Breezy
Monday
High: 38 °F
Chance Snow
Showers
Monday Night
Low: 13 °F
Partly Cloudy
Tuesday
High: 44 °F
Sunny
Tuesday Night
Low: 17 °F
Mostly Clear
Wednesday
High: 48 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 44. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.

Tonight

Snow showers, mainly after 8pm. The snow could be heavy at times. Low around 15. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 6 to 10 inches possible.

Sunday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 34. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Sunday Night

A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 10. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.

Monday

A 40 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 38. West wind 10 to 15 mph. Little or no snow accumulation expected.

Monday Night

Partly cloudy, with a low around 13. West wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday

Sunny, with a high near 44.

Tuesday Night

Mostly clear, with a low around 17.

Wednesday

Sunny, with a high near 48.

Wednesday Night

Partly cloudy, with a low around 20. Breezy.

Thursday

Mostly sunny, with a high near 47.