Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from November 20, 07:00 AM PST until November 21, 07:00 AM PST

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Mist

28°F

-2°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	28°F (-2°C)
Visibility	0.50 mi
Last update	20 Nov 07:15 AM PST

More Information:

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

Extended Forecast for

6 Miles ESE Mammoth Lakes CA

Winter Weather Advisory until November 21, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until November 21, 07:00am
NOW until 7:00am Fri
Winter Weather Advisory
Today
High: 24 °F
Heavy Snow
Tonight
Low: 19 °F
Heavy Snow
and Blustery
Friday
High: 23 °F
Slight Chance
Snow and
Windy then
Mostly Cloudy
and Blustery
Friday Night
Low: 18 °F
Mostly Cloudy
and Windy
Saturday
High: 28 °F
Mostly Sunny
and Blustery
then Sunny
Saturday Night
Low: 20 °F
Mostly Clear
Sunday
High: 35 °F
Sunny
Sunday Night
Low: 25 °F
Mostly Clear
and Breezy

Detailed Forecast

Today

Snow, mainly after 10am. The snow could be heavy at times. High near 24. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow, mainly before 10pm. The snow could be heavy at times. Low around 19. Blustery, with a northeast wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Friday

A 20 percent chance of snow before 10am. Mostly cloudy, with a high near 23. Windy, with a northeast wind 20 to 30 mph, with gusts as high as 45 mph.

Friday Night

Mostly cloudy, with a low around 18. Windy, with a north wind 25 to 30 mph, with gusts as high as 40 mph.

Saturday

Sunny, with a high near 28. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

Saturday Night

Mostly clear, with a low around 20. Northwest wind around 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

Sunday

Sunny, with a high near 35.

Sunday Night

Mostly clear, with a low around 25. Breezy.