Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Port Chicago (PCOC1)

Lat: 38.056°NLon: 122.0395°WElev: 0.0ft.

NA

45°F

7°C

Humidity NA
Wind Speed E 2 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

6 Miles NNW Concord CA

Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Increasing clouds, with a low around 38. East wind around 6 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 58. East northeast wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Southeast wind around 14 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain.  Partly sunny, with a high near 63. East southeast wind around 11 mph.

    High: 63 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 47. West southwest wind around 6 mph becoming east northeast after midnight.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 4pm.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 58.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm.  Cloudy, with a low around 55.

    Low: 55 °F

    Rain Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. East wind around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 58. East northeast wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 46. Southeast wind around 14 mph.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 63. East southeast wind around 11 mph.
Sunday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47. West southwest wind around 6 mph becoming east northeast after midnight.
Monday
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 62.
Monday Night
Rain, mainly after 10pm. Low around 56. Chance of precipitation is 80%.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 55.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Thursday
A chance of rain. Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Partly cloudy, with a low around 52.
Friday
A slight chance of rain. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Concord CA
 38.06°N 122.02°W (Elev. 3 ft)
2:25 pm PST Feb 20, 2026
10pm PST Feb 20, 2026-6pm PST Feb 27, 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