Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

46°F

8°C

Humidity 80%
Wind Speed SSW 21 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 15 Feb 06:28 AM PST
Extended Forecast for

Walnut Creek CA

  • Today

    Today: Rain.  High near 62. South southeast wind 9 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Rain Likely
    then Rain

  • Tonight

    Tonight: Rain.  Low around 47. South southwest wind 5 to 10 mph becoming light south  after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain.  High near 52. Northeast wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly after 4am.  Low around 42. West southwest wind around 9 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Tuesday

    Tuesday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm.  High near 50. Southwest wind 14 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before 10pm, then rain likely.  Low around 38. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers then
    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly after 10am.  High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

Today
Rain. High near 62. South southeast wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 47. South southwest wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Washington's Birthday
Rain. High near 52. Northeast wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain, mainly after 4am. Low around 42. West southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 50. Southwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm before 10pm, then rain likely. Low around 38. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, mainly after 10am. High near 52. Chance of precipitation is 80%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 39.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
3:03 am PST Feb 15, 2026
7am PST Feb 15, 2026-6pm PST Feb 21, 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