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.

26°F

-3°C

Humidity	92%
Wind Speed	SSE 0 MPH
Barometer	29.64 in (1003.73 mb)
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	12 Apr 03:30 AM PDT

More Information:

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

Extended Forecast for

5 Miles SSE 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: 10 °F
Heavy Snow
and Very
Windy
Sunday
High: 19 °F
Heavy Snow
and Very
Windy
Sunday Night
Low: 5 °F
Heavy Snow
and Windy
Monday
High: 24 °F
Snow Showers
Likely
Monday Night
Low: 10 °F
Partly Cloudy
Tuesday
High: 30 °F
Sunny
Tuesday Night
Low: 15 °F
Mostly Clear
Wednesday
High: 32 °F
Sunny then
Mostly Sunny
and Breezy

Detailed Forecast

Overnight

Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 10. Very windy, with a southwest wind around 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 12 to 18 inches possible.

Sunday

Snow showers, mainly before 8am. The snow could be heavy at times. Some thunder is also possible. High near 19. Very windy, with a southwest wind 35 to 40 mph decreasing to 30 to 35 mph in the morning. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Sunday Night

A 50 percent chance of snow showers, mainly before 11pm. The snow could be heavy at times. Partly cloudy, with a low around 5. Windy, with a southwest wind 25 to 30 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. New snow accumulation of 2 to 4 inches possible.

Monday

Snow showers likely, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 24. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Monday Night

Partly cloudy, with a low around 10. Southwest wind 10 to 15 mph.

Tuesday

Sunny, with a high near 30. Southwest wind around 10 mph.

Tuesday Night

Mostly clear, with a low around 15.

Wednesday

Mostly sunny, with a high near 32. Breezy.

Wednesday Night

Mostly cloudy, with a low around 18. Breezy.

Thursday

A slight chance of snow showers after 11am. Mostly sunny, with a high near 29. Breezy.