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

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278° N Lon: 121.81444° W Elev: 397.0 ft.

Rain

55°F

13°C

Humidity	76%
Wind Speed	N 0 MPH
Barometer	29.7 in (1005.76 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	24 Dec 10:55 AM PST

More Information:

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

Detailed forecast for

East Bay Interior Valleys

Rest Of Today

Showers likely late in the morning, then a slight chance of thunderstorms in the afternoon. Some thunderstorms may be severe with heavy rainfall. Highs around 60. South winds around 5 mph increasing to 10 to 20 mph with gusts to around 35 mph in the afternoon.

Tonight

A chance of showers in the evening. A slight chance of thunderstorms. Showers after midnight. Some thunderstorms may produce heavy rainfall. Lows in the lower 50s. Southeast winds 10 to 20 mph with gusts to around 50 mph.

Christmas Day

Breezy. Showers and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may be severe with heavy rainfall in the afternoon. Highs in the mid 50s. South winds 20 to 30 mph with gusts to around 55 mph...becoming 15 to 20 mph with gusts to around 35 mph in the afternoon.

Thursday Night

Showers and a slight chance of thunderstorms. Some thunderstorms may be severe with heavy rainfall. Lows in the upper 40s. South winds 10 to 20 mph with gusts to around 35 mph.

Friday

Showers. A slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the mid 50s. South winds 10 to 15 mph with gusts to around 30 mph.

Friday Night

Patchy fog. Showers likely and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower to mid 40s.

Saturday

Mostly cloudy. Patchy fog. A slight chance of showers. Highs in the lower 50s.

Saturday Night

Mostly clear. Lows in the upper 30s.

Sunday

Partly cloudy in the morning then becoming sunny. Highs in the lower 50s.

Sunday Night

Mostly clear except patchy fog. Lows in the mid 30s.

Monday Through Tuesday

Partly cloudy. Patchy fog. Highs in the lower to mid 50s. Lows in the upper 30s.