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.

Mostly Cloudy

55°F

13°C

Humidity 43%
Wind Speed ESE 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Feb 03:47 PM PST
Extended Forecast for

5 Miles SSW 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: Areas of frost after 10pm.  Otherwise, increasing clouds, with a low around 33. Calm wind becoming east southeast around 5 mph in the evening.

    Low: 33 °F

    Areas Frost

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 58. Southeast wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 58 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Southeast wind around 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. South wind around 9 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely.  Patchy fog after 5am.  Otherwise, cloudy, with a low around 51.

    Low: 51 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Tonight
Areas of frost after 10pm. Otherwise, increasing clouds, with a low around 33. Calm wind becoming east southeast around 5 mph in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 58. Southeast wind 6 to 10 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 40. Southeast wind around 9 mph.
Sunday
Mostly sunny, with a high near 65. South wind around 9 mph.
Sunday Night
Partly cloudy, with a low around 44. Light and variable wind.
Monday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 68.
Monday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 51.
Tuesday
Rain likely. Mostly cloudy, with a high near 63.
Tuesday Night
Rain likely. Patchy fog after 5am. Otherwise, cloudy, with a low around 51.
Wednesday
A chance of rain. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 66.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Mostly sunny, with a high near 70.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Friday
A slight chance of rain. Mostly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mount Hamilton CA
 37.28°N 121.68°W (Elev. 1138 ft)
2:25 pm PST Feb 20, 2026
4pm 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