Heavy rain and isolated severe storms in portions of the West

A storm system will bring rain and thunderstorms to much of the Intermountain West and northern High Plains on Friday. Isolated severe thunderstorms with large hail and damaging winds are possible from northeast California to Wyoming. Heavy rain could lead to flash flooding, especially in the mountains of Wyoming.
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Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

A Few Clouds

57°F

14°C

Humidity 77%
Wind Speed W 12 MPH
Barometer 29.87 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 06 May 1:09 am PDT
Extended Forecast for

Castro Valley CA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. West wind around 7 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms

    Low: 52 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Some of the storms could produce small hail.  Cloudy, with a high near 64. West wind 5 to 11 mph becoming south in the afternoon.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 64 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Some of the storms could produce small hail.  Mostly cloudy, with a low around 53. West wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    Low: 53 °F

  • Saturday

    Saturday: A 30 percent chance of showers.  Mostly cloudy, with a high near 67. Calm wind becoming west 5 to 7 mph in the afternoon.  New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers

    High: 67 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 53. Southwest wind 5 to 13 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Showers

    Low: 53 °F

  • Sunday

    Sunday: A 20 percent chance of showers before 11am.  Partly sunny, with a high near 70.

    Slight Chance
    Showers then
    Partly Sunny

    High: 70 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 52.

    Partly Cloudy

    Low: 52 °F

  • Monday

    Monday: Mostly sunny, with a high near 72.

    Mostly Sunny

    High: 72 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 52.

    Mostly Clear

    Low: 52 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers and thunderstorms. Some of the storms could produce small hail. Cloudy, with a high near 64. West wind 5 to 11 mph becoming south in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Some of the storms could produce small hail. Mostly cloudy, with a low around 53. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 67. Calm wind becoming west 5 to 7 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53. Southwest wind 5 to 13 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Castro Valley CA
 37.72°N 122.05°W (Elev. 397 ft)
2:32 pm PDT May 5, 2016
1am PDT May 6, 2016-6pm PDT May 12, 2016
 
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