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 Warning 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.

Partly Cloudy

25°F

-4°C

Humidity	62%
Wind Speed	N 0 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Last update	15 Feb 05:15 AM PST

More Information:

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

Extended Forecast for

4 Miles ENE Mammoth Lakes CA

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

Click here for hazard details and duration

Winter Storm Warning

Today
High: 41 °F
Becoming
Sunny
Tonight
Low: 18 °F
Mostly Clear
then Chance
Snow
Washington's Birthday
High: 35 °F
Heavy Snow
Monday Night
Low: 16 °F
Heavy Snow
and Breezy
Tuesday
High: 27 °F
Heavy Snow
and Breezy
Tuesday Night
Low: 12 °F
Heavy Snow
and Breezy
Wednesday
High: 23 °F
Snow
Wednesday Night
Low: 6 °F
Chance Snow
Thursday
High: 26 °F
Chance Snow

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 41. Southwest wind 5 to 10 mph becoming northwest in the morning.

Tonight

A 30 percent chance of snow, mainly after 4am. Partly cloudy, with a low around 18. Southwest wind around 5 mph. New snow accumulation of less than a half inch possible.

Washington's Birthday

Snow, mainly after 7am. The snow could be heavy at times. High near 35. 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. The snow could be heavy at times. Low around 16. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 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 27. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 12. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Wednesday

Snow. High near 23. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 6.

Thursday

A chance of snow. Mostly cloudy, with a high near 26.

Thursday Night

A chance of snow before 4am. Mostly cloudy, with a low around 6.

Friday

A slight chance of snow. Mostly sunny, with a high near 32.

Friday Night

A chance of snow. Partly cloudy, with a low around 11.