Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

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

Clear

66°F

19°C

Humidity 59%
Wind Speed W 8 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Mar 07:00 PM PDT
Extended Forecast for

4 Miles E Union City CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 53. West northwest wind 6 to 10 mph becoming north after midnight.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. North wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. North wind 5 to 9 mph becoming east southeast in the evening.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Light and variable wind becoming north 5 to 8 mph in the morning.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62. North northwest wind 5 to 8 mph becoming south after midnight.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West northwest wind 6 to 10 mph becoming north after midnight.
Sunday
Sunny, with a high near 79. North wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 59. North wind 5 to 9 mph becoming east southeast in the evening.
Monday
Sunny, with a high near 84. Light and variable wind becoming north 5 to 8 mph in the morning.
Monday Night
Clear, with a low around 62. North northwest wind 5 to 8 mph becoming south after midnight.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 63.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Union City CA
 37.6°N 121.93°W (Elev. 161 ft)
1:26 pm PDT Mar 14, 2026
7pm PDT Mar 14, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database