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	95%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	25 Dec 02:00 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, 02:16am until December 26, 04:00pm

Winter Storm Warning December 25, 02:16am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 02:16am until December 26, 04:00pm
Winter Storm Warning December 25, 02:16am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 20 °F
Snow and Very
Windy
Christmas Day
High: 24 °F
Snow and Very
Windy
Thursday Night
Low: 16 °F
Snow Showers
and Very
Windy
Friday
High: 22 °F
Snow and
Windy
Friday Night
Low: 5 °F
Snow Likely
and Breezy
Saturday
High: 22 °F
Chance Snow
Saturday Night
Low: 6 °F
Mostly Clear
and Breezy
Sunday
High: 25 °F
Mostly Sunny
and Breezy
then Sunny

Detailed Forecast

Overnight

Snow. Low around 20. Wind chill values as low as -2. Very windy, with a south southwest wind around 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 10 to 14 inches possible.

Christmas Day

Snow before 4pm, then snow showers after 4pm. Some thunder is also possible. High near 24. Wind chill values as low as -2. Very windy, with a south southwest wind 35 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.

Thursday Night

Snow showers before 10pm, then snow after 10pm. Some thunder is also possible. Low around 16. Wind chill values as low as -4. Very windy, with a south southwest wind 45 to 50 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

Friday

Snow. High near 22. Wind chill values as low as -7. Windy, with a southwest wind 35 to 40 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 60 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 5. Breezy, with a southwest wind 15 to 20 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 22. West wind 5 to 10 mph. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 6. Breezy, with a west southwest wind 15 to 25 mph.

Sunday

Sunny and cold, with a high near 25. Breezy, with a west southwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

Sunday Night

Mostly clear, with a low around 11. Windy, with a north wind 20 to 30 mph.

Monday

Sunny and cold, with a high near 31. Blustery, with a north northeast wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

Monday Night

Clear, with a low around 18. Blustery, with a north wind 15 to 20 mph.

Tuesday

Sunny, with a high near 37. North northwest wind 5 to 15 mph.

Tuesday Night

Mostly clear, with a low around 22. West wind 10 to 15 mph.

Wednesday

Partly sunny, with a high near 37. West wind 5 to 10 mph.