Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Current conditions at

Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

70°F

21°C

Humidity 37%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 17 Jun 01:40 PM PDT
Extended Forecast for

6 Miles ENE San Ramon CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. West southwest wind 9 to 11 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. West southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Light west wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 73. West southwest wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

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

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. West southwest wind 9 to 11 mph.
Tonight
Mostly clear, with a low around 52. West southwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 87. Light west wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 52. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 73. West southwest wind 7 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 50.
Monday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE San Ramon CA
 37.79°N 121.87°W (Elev. 801 ft)
1:26 pm PDT Jun 17, 2025
1pm PDT Jun 17, 2025-6pm PDT Jun 23, 2025
 
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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