Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

Lat: 37.35917°NLon: 121.92417°WElev: 59.0ft.

Clear

37°F

3°C

Humidity 86%
Wind Speed SSE 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 21 Feb 12:35 AM PST
Extended Forecast for

2 Miles WSW Santa Clara CA

Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Overnight

    Overnight: Patchy frost before 1am, then patchy frost after 2am.  Otherwise, increasing clouds, with a low around 35. Southeast wind 3 to 5 mph.

    Low: 35 °F

    Patchy Frost

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 60. South wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. Southeast wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66. South wind around 8 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 10pm.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Cloudy, with a high near 64.

    High: 64 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 4am.  Cloudy, with a low around 51.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy frost before 1am, then patchy frost after 2am. Otherwise, increasing clouds, with a low around 35. Southeast wind 3 to 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 60. South wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 42. Southeast wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 66. South wind around 8 mph.
Sunday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69.
Monday Night
A 40 percent chance of rain after 10pm. Mostly cloudy, with a low around 52.
Tuesday
Rain likely. Cloudy, with a high near 64.
Tuesday Night
Rain likely, mainly before 4am. Cloudy, with a low around 51.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 65.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Thursday
A slight chance of rain. Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Santa Clara CA
 37.36°N 121.99°W (Elev. 66 ft)
12:26 am PST Feb 21, 2026
12am PST Feb 21, 2026-6pm PST Feb 27, 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