Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from January 3, 12:00 AM PST until January 5, 10:00 AM PST

Current conditions at

Top of 22 (MTH02)

Lat: 37.63707°NLon: 119.0174°WElev: 10100.0ft.

23°F

-5°C

Humidity	97%
Wind Speed	SW 27 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	6°F (-14°C)
Last update	01 Jan 02:25 PM PST

More Information:

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

Extended Forecast for

3 Miles NW Mammoth Lakes CA

Winter Storm Warning January 3, 12:00am until January 5, 10:00am

Click here for hazard details and duration

Winter Storm Warning

New Year's Day
High: 36 °F
Chance Snow
Tonight
Low: 23 °F
Partly Cloudy
Friday
High: 38 °F
Sunny
Friday Night
Low: 27 °F
Chance Snow
Saturday
High: 33 °F
Heavy Snow
Saturday Night
Low: 28 °F
Heavy Snow
Sunday
High: 30 °F
Heavy Snow
Sunday Night
Low: 21 °F
Heavy Snow
Monday
High: 28 °F
Snow Likely

Detailed Forecast

New Year's Day

A 40 percent chance of snow. Partly sunny, with a high near 36. Southwest wind around 15 mph, with gusts as high as 35 mph. Total daytime snow accumulation of 3 to 7 inches possible.

Tonight

Partly cloudy, with a low around 23. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

Friday

Sunny, with a high near 38. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

Friday Night

A 40 percent chance of snow after 10pm. Increasing clouds, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. New snow accumulation of around an inch possible.

Saturday

Snow. The snow could be heavy at times. High near 33. South wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Saturday Night

Snow. The snow could be heavy at times. Low around 28. Southwest wind around 15 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

Sunday

Snow. The snow could be heavy at times. High near 30. Chance of precipitation is 90%. New snow accumulation of 14 to 20 inches possible.

Sunday Night

Snow, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a low around 21.

Monday

Snow likely, mainly after 10am. Mostly cloudy, with a high near 28.

Monday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18.

Tuesday

A chance of snow. Partly sunny, with a high near 31.

Tuesday Night

A slight chance of snow. Mostly cloudy, with a low around 20.