Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes

Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

39°F

4°C

Humidity 72%
Wind Speed S 12 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 21 Feb 04:28 AM PST
Extended Forecast for

Walnut Creek CA

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 54. Light south wind.

    Low: 54 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain, mainly after noon.  High near 66. South wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 8pm.  Patchy fog after 4am.  Otherwise, cloudy, with a low around 54. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain Likely
    then Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 67. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 70.

    High: 70 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 71.

    High: 71 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 54. Light south wind.
Tuesday
Rain, mainly after noon. High near 66. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 8pm. Patchy fog after 4am. Otherwise, cloudy, with a low around 54. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 70.
Thursday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 51.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A slight chance of rain after 4pm. Partly sunny, with a high near 70.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 66.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
5:12 am PST Feb 24, 2026
5am PST Feb 24, 2026-6pm PST Mar 2, 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