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.

56°F

13°C

Humidity	21%
Wind Speed	WSW 9 MPH
Barometer	NA
Dewpoint	16°F (-9°C)
Visibility	NA
Last update	11 Apr 04:04 PM PDT

More Information:

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

Extended Forecast for

16 Miles ESE Mammoth Lakes CA

Winter Storm Warning until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
This Afternoon
High: 54 °F
Mostly Sunny
Tonight
Low: 22 °F
Chance Snow
then Snow
Showers
Sunday
High: 42 °F
Snow Showers
then Chance
Snow Showers
Sunday Night
Low: 18 °F
Chance Snow
Showers then
Partly Cloudy
Monday
High: 45 °F
Chance Snow
Showers
Monday Night
Low: 22 °F
Mostly Clear
Tuesday
High: 53 °F
Sunny
Tuesday Night
Low: 26 °F
Mostly Clear

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 54. Southwest wind around 15 mph, with gusts as high as 25 mph.

Tonight

Snow likely between 8pm and 5am, then snow showers after 5am. Low around 22. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Sunday

Snow showers, mainly before 8am. Some thunder is also possible. High near 42. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Sunday Night

A 30 percent chance of snow showers before 11pm. Partly cloudy, with a low around 18. West wind 5 to 10 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.

Monday

A 30 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 45. West wind around 5 mph becoming north in the morning. Little or no snow accumulation expected.

Monday Night

Mostly clear, with a low around 22. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 53.

Tuesday Night

Mostly clear, with a low around 26.

Wednesday

Sunny, with a high near 57.

Wednesday Night

Partly cloudy, with a low around 29.

Thursday

Sunny, with a high near 55.