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

27°F

-3°C

Humidity	68%
Wind Speed	N 4 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	17°F (-8°C)
Visibility	10.00 mi
Wind Chill	22°F (-6°C)
Last update	14 Feb 10:55 AM 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

Today
High: 41 °F
Mostly Sunny
Tonight
Low: 17 °F
Partly Cloudy
Sunday
High: 39 °F
Sunny
Sunday Night
Low: 16 °F
Chance Snow
then Snow
Washington's Birthday
High: 32 °F
Heavy Snow
Monday Night
Low: 12 °F
Snow
Tuesday
High: 25 °F
Heavy Snow
and Breezy
Tuesday Night
Low: 8 °F
Heavy Snow
Wednesday
High: 23 °F
Heavy Snow

Detailed Forecast

Today

Mostly sunny, with a high near 41. Northeast wind around 5 mph becoming southeast in the afternoon.

Tonight

Partly cloudy, with a low around 17. South wind around 5 mph.

Sunday

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

Sunday Night

Snow, mainly after 4am. Low around 16. Southwest wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Washington's Birthday

Snow. The snow could be heavy at times. High near 32. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Monday Night

Snow. Low around 12. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Tuesday

Snow. The snow could be heavy at times. High near 25. Breezy. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

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 23.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 1.

Thursday

A chance of snow. Partly sunny, with a high near 26.

Thursday Night

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