Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

75°F

24°C

Humidity 33%
Wind Speed E 13 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 16 Mar 03:28 PM PDT
Extended Forecast for

3 Miles WSW San Ramon CA

Heat Advisory until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. West northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Northeast wind 3 to 6 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59. North northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Light and variable wind becoming north northeast around 6 mph in the morning.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 82. North wind around 6 mph.
Tonight
Mostly clear, with a low around 58. West northwest wind around 6 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 86. Northeast wind 3 to 6 mph.
Tuesday Night
Clear, with a low around 59. North northwest wind around 6 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 87. Light and variable wind becoming north northeast around 6 mph in the morning.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 87.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW San Ramon CA
 37.75°N 122°W (Elev. 1362 ft)
1:25 pm PDT Mar 16, 2026
4pm PDT Mar 16, 2026-6pm PDT Mar 23, 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