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

Top Stn/Summit (MTH03)

Lat: 37.63059°NLon: 119.03282°WElev: 11034.0ft.

19°F

-7°C

Humidity	53%
Wind Speed	SW 28 MPH
Barometer	NA
Dewpoint	5°F (-15°C)
Visibility	NA
Wind Chill	0°F (-18°C)
Last update	14 Feb 03:25 AM PST

More Information:

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

Extended Forecast for

3 Miles SSW 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

Overnight
Low: 22 °F
Partly Cloudy
Saturday
High: 33 °F
Mostly Sunny
and Breezy
Saturday Night
Low: 20 °F
Mostly Cloudy
and Windy
Sunday
High: 29 °F
Mostly Sunny
and Breezy
Sunday Night
Low: 20 °F
Chance Snow
and Breezy
Washington's Birthday
High: 24 °F
Heavy Snow
and Windy
Monday Night
Low: 15 °F
Heavy Snow
and Very
Windy
Tuesday
High: 18 °F
Heavy Snow
and Very
Windy
Tuesday Night
Low: 12 °F
Heavy Snow
and Very
Windy

Detailed Forecast

Overnight

Partly cloudy, with a low around 22. South wind around 10 mph.

Saturday

Mostly sunny, with a high near 33. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

Saturday Night

Mostly cloudy, with a low around 20. Windy, with a south wind around 30 mph, with gusts as high as 45 mph.

Sunday

Mostly sunny, with a high near 29. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.

Sunday Night

A 50 percent chance of snow, mainly after 10pm. Increasing clouds, with a low around 20. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. New snow accumulation of 3 to 5 inches possible.

Washington's Birthday

Snow. The snow could be heavy at times. High near 24. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

Monday Night

Snow. The snow could be heavy at times. Low around 15. Very windy. Chance of precipitation is 100%. New snow accumulation of 13 to 19 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. Very windy.

Wednesday

Snow, mainly before 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 14. Windy.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 5.

Thursday

A chance of snow. Partly sunny, with a high near 19.

Thursday Night

A chance of snow. Partly cloudy, with a low around 8. Breezy.