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.

27°F

-3°C

Humidity	92%
Wind Speed	W 0 MPH
Barometer	29.61 in (1002.71 mb)
Dewpoint	25°F (-4°C)
Visibility	NA
Last update	12 Apr 03:00 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 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
Overnight
Low: 20 °F
Heavy Snow
and Windy
Sunday
High: 32 °F
Heavy Snow
and Windy
Sunday Night
Low: 16 °F
Heavy Snow
and Breezy
then Mostly
Clear
Monday
High: 36 °F
Snow Showers
Likely
Monday Night
Low: 20 °F
Partly Cloudy
Tuesday
High: 44 °F
Sunny
Tuesday Night
Low: 25 °F
Mostly Clear
Wednesday
High: 46 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 20. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 7 to 11 inches possible.

Sunday

Snow showers, mainly before 5pm. The snow could be heavy at times. Some thunder is also possible. High near 32. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Sunday Night

A 50 percent chance of snow showers before 11pm. The snow could be heavy at times. Partly cloudy, with a low around 16. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 40 mph. New snow accumulation of 1 to 3 inches possible.

Monday

Snow showers likely, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 36. Southwest wind around 5 mph becoming northwest in the morning. Chance of precipitation is 60%. 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. Calm wind becoming southwest around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 25.

Wednesday

Mostly sunny, with a high near 46.

Wednesday Night

Mostly cloudy, with a low around 27.

Thursday

A slight chance of snow showers after 11am. Mostly sunny, with a high near 43.