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

Winter Weather Advisory in effect from December 26, 11:00 AM MST until December 28, 05:00 AM MST

Current conditions at

Provo Municipal Airport (KPVU)

Lat: 40.2239°NLon: 111.7253°WElev: 4495.0ft.

Clear

54°F

12°C

Humidity	54%
Wind Speed	WSW 6 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	25 Dec 11:20 AM MST

More Information:

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

Extended Forecast for

6 Miles NNE Detour UT

Winter Weather Advisory December 26, 11:00am until December 28, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 41 °F
Chance Snow
Showers
Tonight
Low: 30 °F
Slight Chance
Snow
Friday
High: 34 °F
Snow
Friday Night
Low: 25 °F
Snow Showers
Saturday
High: 27 °F
Snow
Saturday Night
Low: 11 °F
Chance Snow
Sunday
High: 19 °F
Slight Chance
Snow then
Sunny
Sunday Night
Low: 9 °F
Mostly Clear
Monday
High: 27 °F
Sunny

Detailed Forecast

Christmas Day

A chance of snow showers before 2pm, then a chance of snow, mainly between 2pm and 5pm. Some thunder is also possible. Partly sunny, with a high near 41. Southwest wind around 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tonight

A slight chance of snow before 8pm, then a slight chance of snow after 2am. Increasing clouds, with a low around 30. Southwest wind around 10 mph. Chance of precipitation is 20%.

Friday

Snow, mainly after 11am. High near 34. South southwest wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Friday Night

Snow showers before 2am, then snow after 2am. Some thunder is also possible. Low around 25. West southwest wind 13 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow. High near 27. West wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 11. New snow accumulation of less than one inch possible.

Sunday

A 20 percent chance of snow before 11am. Mostly sunny, with a high near 19.

Sunday Night

Mostly clear, with a low around 9.

Monday

Sunny, with a high near 27.

Monday Night

Mostly clear, with a low around 16.