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

18°F

-8°C

Humidity	67%
Wind Speed	NNW 3 MPH
Barometer	30.15 in (1021.0 mb)
Dewpoint	8°F (-13°C)
Visibility	10.00 mi
Last update	13 Feb 10:55 PM PST

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

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 20 °F
Partly Cloudy
Saturday
High: 36 °F
Mostly Sunny
then Sunny
and Breezy
Saturday Night
Low: 20 °F
Partly Cloudy
and Breezy
Sunday
High: 32 °F
Mostly Sunny
Sunday Night
Low: 19 °F
Chance Snow
then Heavy
Snow
Washington's Birthday
High: 25 °F
Heavy Snow
and Breezy
Monday Night
Low: 16 °F
Heavy Snow
and Windy
Tuesday
High: 18 °F
Heavy Snow
and Very
Windy
Tuesday Night
Low: 12 °F
Heavy Snow
and Windy

Detailed Forecast

Tonight

Partly cloudy, with a low around 20. Southwest wind 5 to 10 mph.

Saturday

Mostly sunny, with a high near 36. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Saturday Night

Partly cloudy, with a low around 20. Breezy, with a southwest wind 15 to 20 mph.

Sunday

Mostly sunny, with a high near 32. Southwest wind around 15 mph, with gusts as high as 30 mph.

Sunday Night

Snow likely, mainly after 4am. The snow could be heavy at times. Increasing clouds, with a low around 19. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Washington's Birthday

Snow. The snow could be heavy at times. High near 25. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Monday Night

Snow. The snow could be heavy at times. Low around 16. Windy. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Tuesday

Snow. The snow could be heavy at times. Cloudy, with a high near 18. Very windy.

Tuesday Night

Snow. The snow could be heavy at times. Cloudy, with a low around 12. Windy.

Wednesday

Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 17. Breezy.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 4.

Thursday

A chance of snow. Mostly sunny, with a high near 22.