Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

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

Rain

55°F

13°C

Humidity 93%
Wind Speed S 4 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Apr 01:35 AM PDT
Extended Forecast for

Walnut Creek CA

  • Overnight

    Overnight: Rain, mainly before 5am, then showers after 5am.  Low around 52. South wind 3 to 5 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then rain likely and possibly a thunderstorm after 5pm.  High near 63. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain before 11pm, then a chance of rain after 2am.  Mostly cloudy, with a low around 47. Southwest wind 5 to 8 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 11am.  Mostly sunny, with a high near 66. South southwest wind 3 to 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. West wind 3 to 6 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly before 5am, then showers after 5am. Low around 52. South wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 63. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain before 11pm, then a chance of rain after 2am. Mostly cloudy, with a low around 47. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 66. South southwest wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 44. West wind 3 to 6 mph.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 72.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.92°N 122.05°W (Elev. 197 ft)
12:31 am PDT Apr 21, 2026
1am PDT Apr 21, 2026-6pm PDT Apr 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