Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

42°F

6°C

Humidity 100%
Wind Speed N 7 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 22 Apr 08:10 PM PDT
Extended Forecast for

3 Miles ESE Danville CA

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 43. North wind 5 to 10 mph becoming light northwest  after midnight.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 9am.  Otherwise, sunny, with a high near 69. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 18 mph.

    High: 69 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 45. West wind 6 to 11 mph becoming light southwest  in the evening.

    Low: 45 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Light south southwest wind becoming west southwest 5 to 10 mph in the morning.

    High: 66 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Saturday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 43. North wind 5 to 10 mph becoming light northwest after midnight.
Thursday
Areas of fog before 9am. Otherwise, sunny, with a high near 69. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Increasing clouds, with a low around 45. West wind 6 to 11 mph becoming light southwest in the evening.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Light south southwest wind becoming west southwest 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 46. West southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 67.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Danville CA
 37.8°N 121.96°W (Elev. 604 ft)
3:17 pm PDT Apr 22, 2026
9pm PDT Apr 22, 2026-6pm PDT Apr 29, 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