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

Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

36°F

2°C

Humidity 87%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 20 Feb 12:28 AM PST
Extended Forecast for

Walnut Creek CA

Extreme Cold Warning until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning until February 20, 09:00am

    NOW until 9:00am Fri

    Extreme Cold Warning

  • Overnight

    Low: 34 °F

    Areas Frost

  • Friday

    Friday: Patchy fog between 7am and 8am. Areas of frost before 8am. Otherwise, partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Areas Frost
    and Patchy
    Fog then
    Partly Sunny

  • Friday Night

    Friday Night: Areas of frost before 2am, then patchy frost after 3am. Otherwise, increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 45. South southeast wind around 8 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Partly sunny, with a high near 66.

    High: 66 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

Overnight
Areas of frost after 2am. Otherwise, mostly clear, with a low around 34. Light southwest wind.
Friday
Patchy fog between 7am and 8am. Areas of frost before 8am. Otherwise, partly sunny, with a high near 52. Light and variable wind.
Friday Night
Areas of frost before 2am, then patchy frost after 3am. Otherwise, increasing clouds, with a low around 34. Calm wind.
Saturday
Mostly sunny, with a high near 59. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 45. South southeast wind around 8 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 66.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 66.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 53.
Tuesday
Rain. Cloudy, with a high near 62.
Tuesday Night
Rain. Cloudy, with a low around 50.
Wednesday
Rain likely. Cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly cloudy, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
Last Update:
12:32 am PST Feb 20, 2026
Forecast Valid:
1am PST Feb 20, 2026-6pm PST Feb 26, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation