Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

62°F

17°C

Humidity 12%
Wind Speed NNW 11 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Last update 18 Jan 08:20 PM PST
Extended Forecast for

7 Miles ENE Danville CA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. North wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 60. North wind around 7 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Northeast wind around 6 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Northeast wind around 8 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. East northeast wind 3 to 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. North wind 3 to 5 mph.
M.L.King Day
Sunny, with a high near 60. North wind around 7 mph.
Monday Night
Mostly clear, with a low around 44. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 58. Northeast wind around 8 mph.
Tuesday Night
Mostly cloudy, with a low around 45. East northeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Danville CA
 37.83°N 121.88°W (Elev. 1913 ft)
12:26 pm PST Jan 18, 2026
8pm PST Jan 18, 2026-6pm PST Jan 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