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.

26°F

-3°C

Humidity	94%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	26 Dec 12:00 AM PST

More Information:

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

Extended Forecast for

8 Miles SW Tioga Pass CA

Flood Watch December 26, 01:01am until December 26, 04:00pm

Winter Storm Warning December 26, 01:01am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 26, 01:01am until December 26, 04:00pm
Winter Storm Warning December 26, 01:01am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 26 °F
Snow Showers
and Windy
Friday
High: 25 °F
Snow Showers
and Windy
Friday Night
Low: 9 °F
Snow Showers
Likely then
Chance Snow
Showers
Saturday
High: 24 °F
Slight Chance
Snow Showers
then Sunny
Saturday Night
Low: 11 °F
Mostly Clear
Sunday
High: 28 °F
Cold
Sunday Night
Low: 16 °F
Clear and
Blustery
Monday
High: 31 °F
Sunny and
Blustery then
Sunny

Detailed Forecast

Overnight

Snow showers. Some thunder is also possible. Steady temperature around 26. Wind chill values as low as 5. Windy, with a southwest wind around 40 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 13 to 19 inches possible.

Friday

Snow showers. Some thunder is also possible. High near 25. Wind chill values as low as 2. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

Friday Night

Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 9. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 20 percent chance of snow showers before 10am. Sunny and cold, with a high near 24. Wind chill values as low as 3. South southwest wind around 5 mph becoming calm.

Saturday Night

Mostly clear, with a low around 11. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday

Sunny and cold, with a high near 28. East northeast wind 5 to 15 mph, with gusts as high as 20 mph.

Sunday Night

Clear, with a low around 16. Blustery, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.

Monday

Sunny and cold, with a high near 31. Blustery, with an east northeast wind 15 to 20 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 21. Blustery, with an east northeast wind 15 to 20 mph, with gusts as high as 25 mph.

Tuesday

Sunny, with a high near 36. East northeast wind 10 to 15 mph becoming light in the afternoon.

Tuesday Night

Mostly clear, with a low around 25. East northeast wind 5 to 10 mph.

Wednesday

Sunny, with a high near 37. Northeast wind around 5 mph becoming calm in the morning.

Wednesday Night

A 20 percent chance of snow. Partly cloudy, with a low around 27. West southwest wind around 5 mph.

New Year's Day

A 30 percent chance of snow. Partly sunny and cold, with a high near 32. Southwest wind around 5 mph.