Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

57°F

14°C

Humidity 19%
Wind Speed ESE 4 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 18 Apr 05:28 AM PDT
Extended Forecast for

3 Miles WSW San Ramon CA

  • Today

    Today: Sunny, with a high near 72. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. West southwest wind around 7 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West wind 9 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers.  Partly sunny, with a high near 67. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm.  Low around 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am.  High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain, mainly before 11am.  Mostly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 72. Light and variable wind becoming west around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 50. West southwest wind around 7 mph.
Sunday
Partly sunny, with a high near 67. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 48. West wind 9 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 67. South southwest wind 9 to 11 mph, with gusts as high as 21 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 57. Chance of precipitation is 90%.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW San Ramon CA
 37.75°N 122°W (Elev. 1362 ft)
1:41 am PDT Apr 18, 2026
6am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database