Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

70°F

21°C

Humidity 23%
Wind Speed E 14 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 16 Mar 03:28 AM PDT
Extended Forecast for

5 Miles NW Castro Valley CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 86. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Clear, with a low around 58. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 90.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Castro Valley CA
 37.77°N 122.12°W (Elev. 597 ft)
1:40 am PDT Mar 16, 2026
4am PDT Mar 16, 2026-6pm PDT Mar 22, 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