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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

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

Overcast

54°F

12°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Jan 05:35 PM PST
Extended Forecast for

Walnut Creek CA

  • New Year's Day

    New Year's Day: A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 57. South wind around 11 mph, with gusts as high as 23 mph.

    High: 57 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 50. Southeast wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 50 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Rain likely after 4pm. Mostly cloudy, with a high near 60. South southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Low around 54. South wind 10 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 60. South wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 53. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Rain. High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain likely. Cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

New Year's Day
A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 57. South wind around 11 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 50. Southeast wind 6 to 11 mph, with gusts as high as 24 mph.
Friday
Rain likely after 4pm. Mostly cloudy, with a high near 60. South southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 54. South wind 10 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 60. South wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 53. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 56. Chance of precipitation is 100%.
Sunday Night
Rain. Mostly cloudy, with a low around 48.
Monday
Rain likely. Cloudy, with a high near 55.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 54.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 54.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.92°N 122.07°W (Elev. 184 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
5pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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