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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

34°F

1°C

Humidity 100%
Wind Speed SSW 14 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 17 Feb 09:20 AM PST
Extended Forecast for

4 Miles ENE Danville CA

  • Today

    Today: Rain and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 49. Breezy, with a southwest wind 22 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: Rain and snow before 2am, then a chance of rain. Low around 34. West wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 50. West southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 38. South southeast wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain. High near 49. South southwest wind around 18 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Partly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Mostly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

Today
Rain and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 49. Breezy, with a southwest wind 22 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and snow before 2am, then a chance of rain. Low around 34. West wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 50. West southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 38. South southeast wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 49. South southwest wind around 18 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of rain. Partly cloudy, with a low around 32.
Friday
A 30 percent chance of rain. Mostly sunny, with a high near 53.
Friday Night
A chance of rain. Partly cloudy, with a low around 36.
Saturday
A chance of rain. Partly sunny, with a high near 57.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 62.
Sunday Night
Rain. Cloudy, with a low around 49.
Monday
Rain. Cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Danville CA
 37.85°N 121.94°W (Elev. 1362 ft)
Last Update:
9:15 am PST Feb 17, 2026
Forecast Valid:
9am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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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