Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

43°F

6°C

Humidity 75%
Wind Speed ENE 18 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 29 Dec 02:28 AM PST
Extended Forecast for

Danville CA

Cold Weather Advisory until December 29, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until December 29, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Overnight

    Low: 37 °F

    Patchy Frost

  • Monday

    Monday: Sunny, with a high near 56. North wind around 6 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Areas of frost after 3am.  Otherwise, mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Tuesday

    Tuesday: Areas of frost before 8am.  Otherwise, partly sunny, with a high near 54. East northeast wind around 6 mph.

    High: 54 °F

    Areas Frost
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 10am.  Mostly cloudy, with a high near 52. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain likely.  Cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy frost between 4am and 5am. Otherwise, mostly clear, with a low around 37. Light north northeast wind.
Monday
Sunny, with a high near 56. North wind around 6 mph.
Monday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Calm wind.
Tuesday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 54. East northeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Calm wind.
Wednesday
A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 52. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 42. Chance of precipitation is 60%.
New Year's Day
Rain likely. Cloudy, with a high near 54.
Thursday Night
Rain likely. Cloudy, with a low around 46.
Friday
Rain likely. Mostly cloudy, with a high near 57.
Friday Night
Rain likely. Cloudy, with a low around 47.
Saturday
Rain likely. Mostly cloudy, with a high near 56.
Saturday Night
Rain likely. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Danville CA
 37.84°N 122°W (Elev. 587 ft)
12:27 am PST Dec 29, 2025
3am PST Dec 29, 2025-6pm PST Jan 4, 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