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

46°F

8°C

Humidity 65%
Wind Speed NA 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Feb 07:47 PM PST
Extended Forecast for

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
  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 39. South southeast wind 6 to 8 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 49. South wind around 11 mph, with gusts as high as 24 mph.

    High: 49 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. South southeast wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. South wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Cloudy, with a low around 54.

    Low: 54 °F

    Rain Likely

Detailed Forecast

Tonight
Increasing clouds, with a steady temperature around 39. South southeast wind 6 to 8 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 49. South wind around 11 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 41. South southeast wind 11 to 14 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 57. South wind 9 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 46. Light and variable wind.
Monday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 61.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Tuesday
Rain. Mostly cloudy, with a high near 59.
Tuesday Night
Rain likely. Cloudy, with a low around 54.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Thursday
A chance of rain. Mostly sunny, with a high near 63.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 52.
Friday
A slight chance of rain. Mostly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.62°W (Elev. 3406 ft)
2:25 pm PST Feb 20, 2026
10pm PST Feb 20, 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