Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

63°F

17°C

Humidity 67%
Wind Speed W 13 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 08:35 PM PDT
Extended Forecast for

3 Miles SW Union City CA

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West northwest wind 10 to 15 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 71. Light west wind becoming northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 71 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 55. West northwest wind 6 to 11 mph becoming light west  after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 73. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 73 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West wind 5 to 13 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. West northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 71. Light west wind becoming northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Increasing clouds, with a low around 55. West northwest wind 6 to 11 mph becoming light west after midnight.
Monday
Partly sunny, then gradually becoming sunny, with a high near 73. Light west wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. West wind 5 to 13 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Union City CA
 37.56°N 122.07°W (Elev. 112 ft)
1:26 pm PDT Jun 20, 2026
8pm PDT Jun 20, 2026-6pm PDT Jun 27, 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