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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

34°F

1°C

Humidity	66%
Wind Speed	W 2 MPH
Barometer	29.82 in (1009.82 mb)
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	11 Apr 08:45 AM PDT

More Information:

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

Extended Forecast for

4 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
Breezy.
Mostly Sunny
then Slight
Chance Snow
Showers
Tonight
Low: 22 °F
Heavy Snow
and Windy
Sunday
High: 32 °F
Heavy Snow
and Breezy
Sunday Night
Low: 18 °F
Snow Showers
Likely and
Breezy then
Chance Snow
Showers
Monday
High: 37 °F
Chance Snow
Showers
Monday Night
Low: 20 °F
Partly Cloudy
Tuesday
High: 44 °F
Sunny
Tuesday Night
Low: 25 °F
Mostly Clear
Wednesday
High: 48 °F
Sunny

Detailed Forecast

Today

A slight chance of snow showers between 2pm and 5pm. Mostly sunny, with a high near 44. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 50 mph. Chance of precipitation is 20%.

Tonight

Snow showers, mainly after 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 22. Windy, with a south wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

Sunday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 32. Breezy, with a southwest wind around 25 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Sunday Night

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 18. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Monday

A 40 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 37. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.

Monday Night

Partly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 44.

Tuesday Night

Mostly clear, with a low around 25.

Wednesday

Sunny, with a high near 48.

Wednesday Night

Partly cloudy, with a low around 28.

Thursday

Mostly sunny, with a high near 47.