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 / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Partly Cloudy

52°F

11°C

Humidity 57%
Wind Speed ESE 4 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Feb 11:47 AM PST
Extended Forecast for

4 Miles W Mount Hamilton CA

Extreme Cold Warning February 21, 01:00am until February 21, 09:00am
Click here for hazard details and duration
Extreme Cold Warning
  • This Afternoon

    This Afternoon: Partly sunny, with a high near 50. West southwest wind 3 to 5 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of frost between 9pm and 3am.  Otherwise, increasing clouds, with a low around 33. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 33 °F

    Areas Frost

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 55. Southeast wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 55 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Southeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. South wind around 9 mph.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 60.

    High: 60 °F

    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 50. West southwest wind 3 to 5 mph.
Tonight
Areas of frost between 9pm and 3am. Otherwise, increasing clouds, with a low around 33. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 55. Southeast wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 39. Southeast wind around 9 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 62. South wind around 9 mph.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 66.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 50.
Tuesday
Rain. Cloudy, with a high near 60.
Tuesday Night
Rain likely. Cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Mount Hamilton CA
 37.34°N 121.73°W (Elev. 2011 ft)
12:26 pm PST Feb 20, 2026
12pm PST Feb 20, 2026-6pm PST Feb 26, 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