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

Pacific Storm Brings Multiple Impacts to the West;Severe Weather Expected in the Central U.S.

A strong storm is expected to produce heavy rainfall in northern and central California that could lead to significant and life-threatening flash floods and mudslides, particularly over burn scar areas, and periods of heavy snow and gusty winds from the Cascades and Sierra into the Intermountain West through Monday. Severe thunderstorms and heavy rainfall expected in the Mid-Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46ft.

Rain

15°C

59°F

Humidity 82%
Wind Speed SSE 14 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 12°C (54°F)
Visibility 4.83 km
Last update 23 Oct 11:55 PM PDT
Extended Forecast for

2 Miles ENE Union City CA

Wind Advisory October 24, 05:00am until October 24, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: A 50 percent chance of rain. Cloudy, with a low around 13. South wind 21 to 26 km/h, with gusts as high as 50 km/h. New precipitation amounts between 1 and 2 cm possible.

    Chance Rain

    Low: 13 °C

  • Sunday

    Sunday: Rain, mainly after 11am. High near 16. Breezy, with a south wind 32 to 37 km/h increasing to 40 to 45 km/h in the afternoon. Winds could gust as high as 75 km/h. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.

    Rain and
    Breezy

    High: 16 °C

  • Sunday
    Night

    Sunday Night: Rain. The rain could be heavy at times. Low around 12. Breezy, with a south wind 30 to 40 km/h decreasing to 16 to 26 km/h. Winds could gust as high as 75 km/h. Chance of precipitation is 100%. New precipitation amounts in excess of 4 cm possible.

    Heavy Rain
    and Breezy

    Low: 12 °C

  • Monday

    Monday: Rain. High near 14. West wind 13 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.

    Rain

    High: 14 °C

  • Monday
    Night

    Monday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 10. West southwest wind 8 to 16 km/h.

    Slight Chance
    Rain then
    Mostly Cloudy

    Low: 10 °C

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am. Partly sunny, with a high near 14. New precipitation amounts between 1 and 2.5 mm possible.

    Chance Rain

    High: 14 °C

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 12.

    Chance Rain
    then Mostly
    Cloudy

    Low: 12 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 18.

    Mostly Sunny

    High: 18 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 12.

    Mostly Clear

    Low: 12 °C

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a low around 13. South wind 21 to 26 km/h, with gusts as high as 50 km/h. New precipitation amounts between 1 and 2 cm possible.
Sunday
Rain, mainly after 11am. High near 16. Breezy, with a south wind 32 to 37 km/h increasing to 40 to 45 km/h in the afternoon. Winds could gust as high as 75 km/h. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.
Sunday Night
Rain. The rain could be heavy at times. Low around 12. Breezy, with a south wind 30 to 40 km/h decreasing to 16 to 26 km/h. Winds could gust as high as 75 km/h. Chance of precipitation is 100%. New precipitation amounts in excess of 4 cm possible.
Monday
Rain. High near 14. West wind 13 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.
Monday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 10. West southwest wind 8 to 16 km/h.
Tuesday
A 30 percent chance of rain, mainly after 11am. Partly sunny, with a high near 14. New precipitation amounts between 1 and 2.5 mm possible.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 12.
Wednesday
Mostly sunny, with a high near 18.
Wednesday Night
Mostly clear, with a low around 12.
Thursday
Sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 19.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 18.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles ENE Union City CA
 37.61°N 122°W (Elev. 181 m)
Last Update:
5:46 pm PDT Oct 23, 2021
Forecast Valid:
12am PDT Oct 24, 2021-6pm PDT Oct 29, 2021
 
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