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

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Clear

63°F

17°C

Humidity 55%
Wind Speed SE 5 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Mar 11:35 PM PDT
Extended Forecast for

Walnut Creek CA

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

    Tonight: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Calm wind.
Monday
Sunny, with a high near 89. Calm wind becoming north northeast around 6 mph in the afternoon.
Monday Night
Clear, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 92. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 94.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.92°N 122.05°W (Elev. 197 ft)
1:25 pm PDT Mar 15, 2026
11pm PDT Mar 15, 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