Thunderstorms Over the Southeast U.S. and Northern Rockies; Critical Fire Weather Conditions in the Plains

Isolated severe thunderstorms and showers will bring a flash flood threat across the Southeast. Scattered severe wind gusts are expected across the northern Rockies into the Plains. Elevated to Critical fire weather conditions are expected across the north/central Plains and Upper Midwest. Read More >

Current conditions at

Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)

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

NA

41°F

5°C

Humidity 79%
Wind Speed WSW 18 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 11 May 08:55 PM PDT
Extended Forecast for

2 Miles NE San Ramon CA

  • Tonight

    Tonight: Increasing clouds, with a low around 48. West wind 8 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Monday

    Monday: A 30 percent chance of rain, mainly before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 63. West southwest wind 9 to 15 mph, with gusts as high as 25 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. West wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Light west northwest wind becoming west 8 to 13 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. West wind 5 to 10 mph becoming light southwest  after midnight. Winds could gust as high as 21 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 48. West wind 8 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Monday
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 63. West southwest wind 9 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 48. West wind 5 to 13 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 69. Light west northwest wind becoming west 8 to 13 mph in the morning.
Tuesday Night
Mostly clear, with a low around 46. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE San Ramon CA
 37.78°N 121.92°W (Elev. 551 ft)
8:37 pm PDT May 11, 2025
9pm PDT May 11, 2025-6pm PDT May 18, 2025
 
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Additional Resources

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