Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

Lat: 37.87639°NLon: 119.34806°WElev: 8654.0ft.

33°F

1°C

Humidity	97%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	24 Dec 12:00 AM PST

More Information:

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

Extended Forecast for

6 Miles WSW Tioga Pass CA

Flood Watch December 24, 12:38am until December 26, 04:00pm

Winter Storm Warning December 24, 12:38am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 24, 12:38am until December 26, 04:00pm
Winter Storm Warning December 24, 12:38am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 22 °F
Snow
Wednesday
High: 37 °F
Heavy Snow
Wednesday Night
Low: 18 °F
Snow Showers
Christmas Day
High: 32 °F
Heavy Snow
Thursday Night
Low: 15 °F
Heavy Snow
Friday
High: 29 °F
Heavy Snow
Friday Night
Low: 4 °F
Snow Likely
Saturday
High: 30 °F
Chance Snow

Detailed Forecast

Overnight

Snow. Low around 22. Wind chill values as low as 14. South wind around 10 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 6 to 10 inches possible.

Wednesday

Snow before 1pm, then snow showers after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 37. Wind chill values as low as 17. South wind 5 to 10 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

Wednesday Night

Snow showers before 4am, then snow after 4am. Some thunder is also possible. Low around 18. Wind chill values as low as 9. South southwest wind 10 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Christmas Day

Snow before 1pm, then snow showers after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 32. Wind chill values as low as 6. South southwest wind around 15 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.

Thursday Night

Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 15. South southwest wind around 15 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

Friday

Snow. The snow could be heavy at times. High near 29. Southwest wind around 10 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 4. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday

A 40 percent chance of snow, mainly before 4pm. Partly sunny and cold, with a high near 30. Calm wind.

Saturday Night

A 20 percent chance of snow before 10pm. Mostly clear, with a low around 4. East northeast wind around 5 mph, with gusts as high as 20 mph.

Sunday

Sunny, with a high near 35. Northeast wind around 5 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 9. East northeast wind around 5 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 40. Northeast wind around 5 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 16. East northeast wind around 5 mph becoming calm.