Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

haze

48°F

9°C

Humidity 81%
Wind Speed ENE 13 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill43°F (6°C)
Last update 08 Dec 01:35 PM PST
Extended Forecast for

4 Miles ESE Union City CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. North northeast wind around 6 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Light north northeast wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. North wind 3 to 6 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. North northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. North wind around 6 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 57. North northeast wind around 6 mph.
Tonight
Mostly clear, with a low around 44. Light north northeast wind.
Tuesday
Sunny, with a high near 61. North wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 46. North northwest wind around 5 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 62. North wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Union City CA
 37.58°N 121.93°W (Elev. 1017 ft)
12:26 pm PST Dec 8, 2025
1pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database