Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory until June 18, 05:00 AM PDT

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

63°F

17°C

Humidity	82%
Wind Speed	W 10 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	18 Jun 12:20 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SW Union City CA

Coastal Flood Advisory June 18, 12:34am until June 18, 05:00am

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory June 18, 12:34am until June 18, 05:00am
NOW until 5:00am Thu
Coastal Flood Advisory
Overnight
Low: 57 °F
Increasing
Clouds
Thursday
High: 75 °F
Becoming
Sunny
Thursday Night
Low: 57 °F
Increasing
Clouds
Juneteenth
High: 73 °F
Becoming
Sunny
Friday Night
Low: 57 °F
Partly Cloudy
Saturday
High: 72 °F
Mostly Sunny
Saturday Night
Low: 55 °F
Partly Cloudy
Sunday
High: 73 °F
Mostly Sunny

Detailed Forecast

Overnight

Increasing clouds, with a low around 57. Northwest wind 5 to 7 mph becoming calm.

Thursday

Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Light west northwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

Thursday Night

Increasing clouds, with a low around 57. West northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

Juneteenth

Partly sunny, then gradually becoming sunny, with a high near 73. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Partly cloudy, with a low around 57. West wind 9 to 14 mph becoming light southwest after midnight. Winds could gust as high as 22 mph.

Saturday

Mostly sunny, with a high near 72.

Saturday Night

Partly cloudy, with a low around 55.

Sunday

Mostly sunny, with a high near 73.

Sunday Night

Mostly clear, with a low around 55.

Monday

Mostly sunny, with a high near 75.