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 09:00 PM PST

More Information:

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

Extended Forecast for

18 Miles WNW Tioga Pass CA

Flood Watch December 25, 09:54pm until December 26, 04:00pm

Winter Storm Warning December 25, 09:54pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 09:54pm until December 26, 04:00pm
Winter Storm Warning December 25, 09:54pm until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 23 °F
Snow Showers
and Windy
Friday
High: 22 °F⇓
Snow and
Windy
Friday Night
Low: 9 °F
Snow Likely
then Chance
Snow
Saturday
High: 23 °F
Slight Chance
Snow
Saturday Night
Low: 11 °F
Mostly Clear
Sunday
High: 27 °F
Cold
Sunday Night
Low: 18 °F
Mostly Clear
and Blustery
Monday
High: 32 °F
Sunny and
Breezy then
Sunny

Detailed Forecast

Tonight

Snow showers before 4am, then snow after 4am. Some thunder is also possible. Steady temperature around 23. Wind chill values as low as 2. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 16 to 22 inches possible.

Friday

Snow before 10am, then snow showers after 10am. Some thunder is also possible. Temperature falling to around 17 by 5pm. Wind chill values as low as zero. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 9. Wind chill values as low as 2. South southwest wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 20 percent chance of snow. Mostly sunny and cold, with a high near 23. Wind chill values as low as -1. West wind around 5 mph.

Saturday Night

Mostly clear, with a low around 11. East northeast wind around 15 mph, with gusts as high as 20 mph.

Sunday

Sunny and cold, with a high near 27. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 18. Blustery, with a northeast wind 20 to 25 mph.

Monday

Sunny and cold, with a high near 32. Breezy, with an east northeast wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

Monday Night

Mostly clear, with a low around 24. Blustery, with an east northeast wind 15 to 20 mph.

Tuesday

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

Tuesday Night

Mostly clear, with a low around 27. East northeast wind around 10 mph.

Wednesday

Sunny, with a high near 37. East northeast wind around 5 mph becoming calm in the afternoon.

Wednesday Night

A 20 percent chance of snow. Partly cloudy, with a low around 26. Northeast wind around 5 mph.

New Year's Day

A 30 percent chance of snow. Partly sunny, with a high near 33. West southwest wind around 5 mph.