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.

25°F

-4°C

Humidity	94%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Last update	25 Dec 05:00 AM PST

More Information:

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

Extended Forecast for

11 Miles W Conway Summit CA

Flood Watch December 25, 05:24am until December 26, 04:00pm

Winter Storm Warning December 25, 05:24am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 05:24am until December 26, 04:00pm
Winter Storm Warning December 25, 05:24am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 18 °F
Snow and
Windy
Christmas Day
High: 27 °F
Snow and
Windy
Thursday Night
Low: 15 °F
Snow Showers
and Windy
Friday
High: 25 °F
Snow Showers
and Windy
Friday Night
Low: 3 °F
Snow Likely
Saturday
High: 25 °F
Chance Snow
Saturday Night
Low: 4 °F
Mostly Clear
then Mostly
Clear and
Breezy
Sunday
High: 29 °F
Mostly Sunny
and Breezy
then Sunny

Detailed Forecast

Overnight

Snow. Low around 18. Wind chill values as low as -1. Windy, with a south southwest wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 8 to 12 inches possible.

Christmas Day

Snow before 4pm, then snow showers after 4pm. Some thunder is also possible. High near 27. Wind chill values as low as -3. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.

Thursday Night

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 -4. Windy, with a south southwest wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

Friday

Snow showers before 7am, then snow, mainly after 7am. Some thunder is also possible. High near 25. Wind chill values as low as -6. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 3. Southwest wind around 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 25. West wind 5 to 10 mph. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 4. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Sunday

Sunny and cold, with a high near 29. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 10. Blustery, with a north northeast wind 15 to 25 mph, with gusts as high as 30 mph.

Monday

Sunny, with a high near 34. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.

Monday Night

Clear, with a low around 16. North northeast wind around 15 mph, with gusts as high as 20 mph.