Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from February 15, 10:00 PM PST until February 18, 10:00 PM PST

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

30°F

-1°C

Humidity	42%
Wind Speed	W 8 MPH
Barometer	30.12 in (1019.98 mb)
Dewpoint	10°F (-12°C)
Visibility	10.00 mi
Wind Chill	22°F (-6°C)
Last update	13 Feb 06:15 PM PST

More Information:

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

Extended Forecast for

9 Miles E Mammoth Lakes CA

Winter Storm Watch February 15, 10:00pm until February 18, 10:00pm

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 16 °F
Partly Cloudy
Saturday
High: 41 °F
Mostly Sunny
Saturday Night
Low: 16 °F
Mostly Cloudy
Sunday
High: 39 °F
Mostly Sunny
Sunday Night
Low: 15 °F
Chance Snow
then Snow
Likely
Washington's Birthday
High: 31 °F
Heavy Snow
Monday Night
Low: 14 °F
Heavy Snow
Tuesday
High: 24 °F
Heavy Snow
and Breezy
Tuesday Night
Low: 8 °F
Heavy Snow

Detailed Forecast

Tonight

Partly cloudy, with a low around 16. Calm wind.

Saturday

Mostly sunny, with a high near 41. West wind around 5 mph becoming northeast in the morning.

Saturday Night

Mostly cloudy, with a low around 16. Southwest wind around 5 mph.

Sunday

Mostly sunny, with a high near 39. South wind around 5 mph.

Sunday Night

Snow likely, mainly after 4am. Increasing clouds, with a low around 15. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Washington's Birthday

Snow. The snow could be heavy at times. High near 31. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Monday Night

Snow. The snow could be heavy at times. Low around 14. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Tuesday

Snow. The snow could be heavy at times. Cloudy, with a high near 24. Breezy.

Tuesday Night

Snow. The snow could be heavy at times. Cloudy, with a low around 8.

Wednesday

Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 24.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around -2.

Thursday

A slight chance of snow. Mostly sunny, with a high near 27.