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 10:00 AM PST

More Information:

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

Extended Forecast for

3 Miles NW Tioga Pass CA

Flood Watch December 25, 10:59am until December 26, 04:00pm

Winter Storm Warning December 25, 10:59am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 10:59am until December 26, 04:00pm
Winter Storm Warning December 25, 10:59am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 21 °F
Snow and
Windy
Tonight
Low: 17 °F
Snow Showers
and Windy
Friday
High: 20 °F⇓
Snow Showers
and Windy
Friday Night
Low: 5 °F
Chance Snow
Saturday
High: 20 °F
Chance Snow
Saturday Night
Low: 6 °F
Mostly Clear
Sunday
High: 23 °F
Cold
Sunday Night
Low: 12 °F
Mostly Clear
and Blustery

Detailed Forecast

Christmas Day

Snow. High near 21. Wind chill values as low as zero. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 13 to 19 inches possible.

Tonight

Snow showers before 1am, then snow between 1am and 4am, then snow showers after 4am. Some thunder is also possible. Low around 17. Wind chill values as low as -1. Windy, with a south southwest wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

Friday

Snow showers before 7am, then snow after 7am. Some thunder is also possible. Temperature rising to near 20 by noon, then falling to around 14 during the remainder of the day. Wind chill values as low as -3. Windy, with a southwest wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 5. Wind chill values as low as -7. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

Saturday

A 30 percent chance of snow, mainly before 10am. Mostly sunny and cold, with a high near 20. West northwest wind 5 to 10 mph. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 6. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday

Sunny and cold, with a high near 23. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 12. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

Monday

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

Monday Night

Mostly clear, with a low around 18. Northeast wind around 15 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 34. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.