Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Winter Storm Warning until April 12, 11:00 PM PDT

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

snow,freezing fog

30°F

-1°C

Humidity	92%
Wind Speed	NW 8 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	28°F (-2°C)
Visibility	0.25 mi
Wind Chill	22°F (-6°C)
Last update	12 Apr 04:35 PM PDT

More Information:

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

Extended Forecast for

10 Miles SE Mammoth Lakes CA

Winter Storm Warning April 12, 04:56pm until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning April 12, 04:56pm until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
This Afternoon
High: 25 °F
Heavy Snow
and Windy
Tonight
Low: 13 °F
Chance Snow
Showers and
Breezy then
Mostly Clear
Monday
High: 29 °F
Snow Showers
Likely
Monday Night
Low: 16 °F
Mostly Clear
Tuesday
High: 38 °F
Sunny
Tuesday Night
Low: 23 °F
Mostly Clear
Wednesday
High: 40 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Wednesday Night
Low: 25 °F
Mostly Cloudy
and Breezy
then Partly
Cloudy

Detailed Forecast

This Afternoon

Snow showers likely. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy, with a high near 25. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

A 50 percent chance of snow showers before 11pm. Partly cloudy, with a low around 13. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph. New snow accumulation of 1 to 2 inches possible.

Monday

Snow showers likely, mainly after 2pm. Some thunder is also possible. Partly sunny, with a high near 29. Southwest wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Monday Night

Mostly clear, with a low around 16. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

Tuesday

Sunny, with a high near 38. West wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 23. Southwest wind 5 to 15 mph.

Wednesday

Mostly sunny, with a high near 40. Breezy.

Wednesday Night

Partly cloudy, with a low around 25. Breezy.

Thursday

A slight chance of snow showers after 11am. Mostly sunny, with a high near 36. Breezy.