Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

37°F

3°C

Humidity 99%
Wind Speed S 15 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 15 Feb 03:40 AM PST
Extended Forecast for

3 Miles ESE Danville CA

  • Overnight

    Overnight: A 20 percent chance of rain.  Partly cloudy, with a low around 44. East wind around 8 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain.  High near 61. South southeast wind 7 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 45. South southeast wind 3 to 6 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain.  High near 52. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly after 4am.  Low around 40. West wind 7 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm.  High near 49. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 10pm, then rain likely, mainly between 10pm and 4am.  Low around 36. Chance of precipitation is 90%.

    Low: 36 °F

    Showers then
    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly after 10am.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

Detailed Forecast

Overnight
A 20 percent chance of rain. Partly cloudy, with a low around 44. East wind around 8 mph, with gusts as high as 21 mph.
Sunday
Rain. High near 61. South southeast wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 45. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Washington's Birthday
Rain. High near 52. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain, mainly after 4am. Low around 40. West wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 49. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 10pm, then rain likely, mainly between 10pm and 4am. Low around 36. Chance of precipitation is 90%.
Wednesday
Rain, mainly after 10am. Mostly cloudy, with a high near 51.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38.
Thursday
Rain likely, mainly before 10am. Partly sunny, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36.
Friday
A chance of rain. Partly sunny, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
A chance of rain. Partly sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Danville CA
 37.8°N 121.96°W (Elev. 604 ft)
3:03 am PST Feb 15, 2026
3am PST Feb 15, 2026-6pm PST Feb 21, 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