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.

44°F

7°C

Humidity	43%
Wind Speed	E 2 MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Last update	10 Apr 09:04 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 April 11, 02:00pm until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Tonight
Low: 26 °F
Chance
Rain/Snow
Saturday
High: 54 °F
Sunny then
Slight Chance
Rain/Snow
Saturday Night
Low: 24 °F
Snow Showers
Likely
Sunday
High: 43 °F
Snow Showers
then Snow
Showers
Likely
Sunday Night
Low: 18 °F
Chance Snow
Showers then
Partly Cloudy
Monday
High: 45 °F
Chance Snow
Showers
Monday Night
Low: 21 °F
Partly Cloudy
Tuesday
High: 53 °F
Sunny
Tuesday Night
Low: 26 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of rain showers, possibly mixing with snow after 11pm, then gradually ending. Partly cloudy, with a low around 26. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Saturday

A slight chance of rain and snow showers between 2pm and 5pm, then a slight chance of rain showers after 5pm. Sunny, with a high near 54. Northwest wind 5 to 15 mph becoming southeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

Saturday Night

Snow showers likely, mainly after 11pm. Increasing clouds, with a low around 24. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Sunday

Snow showers. Some thunder is also possible. High near 43. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches 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 20 mph. New snow accumulation of less than one inch possible.

Monday

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

Monday Night

Partly cloudy, with a low around 21.

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

Mostly sunny, with a high near 54.