Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

63°F

17°C

Humidity 39%
Wind Speed SW 13 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 19 Apr 10:28 AM PDT
Extended Forecast for

Walnut Creek CA

  • Today

    Today: Mostly sunny, with a high near 73. West southwest wind 8 to 15 mph, with gusts as high as 18 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. South wind 5 to 13 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of rain.  Increasing clouds, with a high near 70. South southeast wind 5 to 14 mph, with gusts as high as 20 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain.  Low around 50. Southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am.  High near 62. Light south southeast wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain.  Mostly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. West southwest wind 8 to 15 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 48. South wind 5 to 13 mph.
Monday
A 50 percent chance of rain. Increasing clouds, with a high near 70. South southeast wind 5 to 14 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 50. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 62. Light south southeast wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
8:38 am PDT Apr 19, 2026
10am PDT Apr 19, 2026-6pm PDT Apr 25, 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