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

3 Miles SSE 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: Widespread frost, mainly between 10pm and 3am.  Otherwise, increasing clouds, with a low around 31. Southeast wind 3 to 7 mph.

    Low: 31 °F

    Frost

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 50. South wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 50 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. South southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58. South wind around 10 mph, with gusts as high as 18 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely.  Cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Tonight
Widespread frost, mainly between 10pm and 3am. Otherwise, increasing clouds, with a low around 31. Southeast wind 3 to 7 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 50. South wind 9 to 11 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 37. South southeast wind around 11 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 58. South wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 42. Light and variable wind.
Monday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 62.
Monday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 48.
Tuesday
Rain likely. Cloudy, with a high near 56.
Tuesday Night
Rain likely. Cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Mostly sunny, with a high near 64.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Friday
A slight chance of rain. Mostly sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Mount Hamilton CA
 37.31°N 121.63°W (Elev. 2933 ft)
2:25 pm PST Feb 20, 2026
8pm 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