Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Clear

72°F

22°C

Humidity 43%
Wind Speed WNW 10 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Mar 01:00 PM PDT
Extended Forecast for

Union City CA

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

    This Afternoon: Sunny, with a high near 81. Northwest wind around 7 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59. Calm wind.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 59. Calm wind.
Tuesday
Sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122.02°W (Elev. 184 ft)
12:16 pm PDT Mar 15, 2026
1pm PDT Mar 15, 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