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.

Mostly Cloudy

23°F

-5°C

Humidity	67%
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 06:35 AM PST

More Information:

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

Extended Forecast for

10 Miles ESE 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: 38 °F
Sunny and
Breezy
Tonight
Low: 18 °F
Breezy.
Mostly Clear
then Chance
Snow
Washington's Birthday
High: 33 °F
Heavy Snow
and Breezy
Monday Night
Low: 13 °F
Heavy Snow
and Very
Windy
Tuesday
High: 25 °F
Heavy Snow
and Very
Windy
Tuesday Night
Low: 10 °F
Heavy Snow
and Very
Windy
Wednesday
High: 19 °F
Heavy Snow
and Windy
Wednesday Night
Low: 4 °F
Chance Snow
and Breezy
Thursday
High: 22 °F
Chance Snow
and Breezy

Detailed Forecast

Today

Sunny, with a high near 38. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

Tonight

A 30 percent chance of snow, mainly after 4am. Partly cloudy, with a low around 18. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.

Washington's Birthday

Snow, mainly after 7am. The snow could be heavy at times. High near 33. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Monday Night

Snow. The snow could be heavy at times. Low around 13. Very windy, with a southwest wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Tuesday

Snow. The snow could be heavy at times. High near 25. Very windy, with a southwest wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 10. Very windy, with a southwest wind 40 to 50 mph, with gusts as high as 75 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 19. Windy. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

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

Thursday

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

Thursday Night

A chance of snow before 4am. Mostly cloudy, with a low around 5. Breezy.

Friday

A slight chance of snow. Partly sunny, with a high near 28. Breezy.

Friday Night

A chance of snow. Partly cloudy, with a low around 9. Breezy.