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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Mostly Cloudy

77°F

25°C

Humidity 36%
Wind Speed WSW 13 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 09 Apr 02:00 PM PDT
Extended Forecast for

6 Miles SSE Discovery Bay CA

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 75. West wind around 7 mph.

    High: 75 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a chance of showers after 3am. Mostly cloudy, with a low around 55. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 67. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. West southwest wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 11am. High near 64. South southeast wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 75. West wind around 7 mph.
Tonight
A slight chance of showers before 11pm, then a chance of showers after 3am. Mostly cloudy, with a low around 55. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 67. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. West southwest wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 11am. High near 64. South southeast wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 11am. High near 58. Chance of precipitation is 90%.
Sunday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Discovery Bay CA
 37.84°N 121.56°W (Elev. 3 ft)
Last Update:
1:26 pm PDT Apr 9, 2026
Forecast Valid:
2pm PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
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