National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

79°F

26°C

Humidity 47%
Wind Speed WNW 11 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 09 Aug 03:05 PM PDT
Extended Forecast for

2 Miles WNW Union City CA

  • Tonight

    Tonight: Increasing clouds, with a low around 62. North northwest wind 5 to 13 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 85. Northwest wind 5 to 11 mph.

    High: 85 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Northwest wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Light west northwest wind increasing to 6 to 11 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. Northwest wind 5 to 11 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. North northwest wind 5 to 13 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 85. Northwest wind 5 to 11 mph.
Sunday Night
Mostly clear, with a low around 61. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 82. Light west northwest wind increasing to 6 to 11 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 60. Northwest wind 5 to 11 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Union City CA
 37.6°N 122.05°W (Elev. 151 ft)
Last Update:
1:26 pm PDT Aug 9, 2025
Forecast Valid:
3pm PDT Aug 9, 2025-6pm PDT Aug 16, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation