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

11 Miles W Conway Summit CA

Flood Watch December 26, 01:02am until December 26, 04:00pm

Winter Storm Warning December 26, 01:02am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 26, 01:02am until December 26, 04:00pm
Winter Storm Warning December 26, 01:02am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 15 °F
Snow Showers
and Windy
Friday
High: 25 °F
Snow Showers
and Windy
Friday Night
Low: 3 °F
Snow Showers
Likely and
Breezy then
Chance Snow
Showers
Saturday
High: 26 °F
Slight Chance
Snow Showers
then Sunny
Saturday Night
Low: 4 °F
Mostly Clear
Sunday
High: 28 °F
Cold
Sunday Night
Low: 8 °F
Mostly Clear
and Blustery
Monday
High: 31 °F
Cold and
Blustery

Detailed Forecast

Overnight

Snow showers. Some thunder is also possible. Low around 15. Wind chill values as low as -3. Windy, with a southwest wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 11 to 17 inches possible.

Friday

Snow showers. 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 60 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Friday Night

Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 3. Wind chill values as low as -9. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. 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 26. Wind chill values as low as -11. West northwest wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 4. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday

Sunny and cold, with a high near 28. West southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

Mostly clear, with a low around 8. Blustery, with a south wind 15 to 25 mph becoming north northeast after midnight. Winds could gust as high as 35 mph.

Monday

Sunny and cold, with a high near 31. Blustery, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph.

Monday Night

Clear, with a low around 11. Blustery, with a northeast wind around 20 mph, with gusts as high as 30 mph.

Tuesday

Sunny, with a high near 38. North wind 5 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

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

Wednesday

Sunny, with a high near 39. West wind 5 to 10 mph.

Wednesday Night

A 20 percent chance of snow. Partly cloudy, with a low around 19. West wind 5 to 10 mph.