National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

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

Rain

41°F

5°C

Humidity 80%
Wind Speed W 10 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 17 Feb 09:20 PM PST
Extended Forecast for

Walnut Creek CA

  • Tonight

    Tonight: A chance of rain before 2am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 36. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain between 10am and 4pm. Partly sunny, with a high near 52. South southwest wind 6 to 8 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Low around 40. South southeast wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 10am. High near 49. Northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 10pm. Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 32. West northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 32 °F

    Chance Rain
    then Frost

  • Friday

    Friday: A slight chance of rain between 10am and 4pm. Patchy fog before 9am. Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly between 10pm and 4am. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly after 10am. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
A chance of rain before 2am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 36. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of rain between 10am and 4pm. Partly sunny, with a high near 52. South southwest wind 6 to 8 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly after 10pm. Low around 40. South southeast wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain, mainly before 10am. High near 49. Northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of rain before 10pm. Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 32. West northwest wind 5 to 8 mph becoming calm after midnight.
Friday
A slight chance of rain between 10am and 4pm. Patchy fog before 9am. Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 52. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of rain, mainly between 10pm and 4am. Partly cloudy, with a low around 36.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 57.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46.
Sunday
Rain. Mostly cloudy, with a high near 60.
Sunday Night
Rain. Cloudy, with a low around 50.
Monday
Rain. Cloudy, with a high near 61.
Monday Night
Rain. Cloudy, with a low around 49.
Tuesday
Rain. Cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.92°N 122.05°W (Elev. 197 ft)
Last Update:
2:05 pm PST Feb 17, 2026
Forecast Valid:
9pm PST Feb 17, 2026-6pm PST Feb 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation