Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

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

Clear

55°F

13°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 21 May 06:00 AM PDT
Extended Forecast for

San Ramon CA

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. West wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 52. West wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 51. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 49.
Memorial Day
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
San Ramon CA
 37.76°N 121.95°W (Elev. 420 ft)
1:25 am PDT May 21, 2026
6am PDT May 21, 2026-6pm PDT May 27, 2026
 
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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