Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

Lat: 37.87639°NLon: 119.34806°WElev: 8654.0ft.

27°F

-3°C

Humidity	96%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	25 Dec 09:00 AM PST

More Information:

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

Extended Forecast for

10 Miles WSW Conway Summit CA

Flood Watch December 25, 09:15am until December 26, 04:00pm

Winter Storm Warning December 25, 09:15am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 09:15am until December 26, 04:00pm
Winter Storm Warning December 25, 09:15am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 27 °F
Snow and
Windy
Tonight
Low: 15 °F
Snow Showers
and Windy
Friday
High: 26 °F
Snow Showers
and Windy
Friday Night
Low: 2 °F
Snow Likely
Saturday
High: 26 °F
Chance Snow
Saturday Night
Low: 4 °F
Mostly Clear
Sunday
High: 29 °F
Cold
Sunday Night
Low: 10 °F
Mostly Clear

Detailed Forecast

Christmas Day

Snow before 4pm, then snow showers after 4pm. Some thunder is also possible. High near 27. Wind chill values as low as zero. Windy, with a south southwest wind around 30 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 15 to 21 inches possible.

Tonight

Snow showers before 10pm, then snow between 10pm and 4am, then snow showers after 4am. Some thunder is also possible. Low around 15. Wind chill values as low as -2. Windy, with a south southwest wind around 35 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.

Friday

Snow showers before 7am, then snow, mainly after 7am. Some thunder is also possible. High near 26. Wind chill values as low as -4. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 2. Wind chill values as low as -8. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

A 30 percent chance of snow. Mostly sunny and cold, with a high near 26. West northwest wind around 5 mph. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 4. West wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday

Sunny and cold, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 10. North northwest wind around 15 mph becoming northeast after midnight. Winds could gust as high as 30 mph.

Monday

Sunny, with a high near 35. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.

Monday Night

Clear, with a low around 15. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.