Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. 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.

Overcast

30°F

-1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Last update	20 Nov 03:55 AM PST

More Information:

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

Extended Forecast for

10 Miles SE Mammoth Lakes CA

Winter Weather Advisory November 20, 07:00am until November 21, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 12 °F
Slight Chance
Snow
Thursday
High: 20 °F
Heavy Snow
Thursday Night
Low: 14 °F
Blustery.
Heavy Snow
then Chance
Snow
Friday
High: 18 °F
Blustery.
Slight Chance
Snow then
Partly Sunny
Friday Night
Low: 12 °F
Mostly Cloudy
and Blustery
Saturday
High: 23 °F
Mostly Sunny
and Blustery
then Sunny
Saturday Night
Low: 14 °F
Mostly Clear
Sunday
High: 29 °F
Sunny
Sunday Night
Low: 19 °F
Mostly Clear
and Breezy

Detailed Forecast

Overnight

A 20 percent chance of snow. Mostly cloudy, with a low around 12. Southwest wind around 15 mph.

Thursday

Snow, mainly after 10am. The snow could be heavy at times. High near 20. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow, mainly before 10pm. The snow could be heavy at times. Low around 14. Blustery, with a northeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Friday

A 20 percent chance of snow before 10am. Partly sunny, with a high near 18. Blustery, with a northeast wind 20 to 25 mph, with gusts as high as 40 mph.

Friday Night

Mostly cloudy, with a low around 12. Blustery, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.

Saturday

Sunny, with a high near 23. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

Saturday Night

Mostly clear, with a low around 14.

Sunday

Sunny, with a high near 29.

Sunday Night

Mostly clear, with a low around 19. Breezy.

Monday

Mostly sunny, with a high near 31. Breezy.