Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

65°F

18°C

Humidity 22%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 17 Apr 04:28 PM PDT
Extended Forecast for

2 Miles NNW San Ramon CA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. West wind around 6 mph becoming calm  in the evening.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm.  Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 47 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers.  Partly sunny, with a high near 70. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Rain likely.  Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 70. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW San Ramon CA
 37.77°N 121.98°W (Elev. 518 ft)
1:26 pm PDT Apr 17, 2026
5pm PDT Apr 17, 2026-6pm PDT Apr 24, 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