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 50%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Feb 06:15 PM PST
Extended Forecast for

10 Miles NNE 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 between 7pm and 10pm.  Otherwise, increasing clouds, with a low around 26. West southwest wind 6 to 13 mph becoming south southeast in the evening.

    Low: 26 °F

    Frost then
    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 48. South wind around 16 mph, with gusts as high as 26 mph.

    High: 48 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. South wind 17 to 20 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. South wind 13 to 20 mph, with gusts as high as 23 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. West northwest wind around 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Tonight
Widespread frost between 7pm and 10pm. Otherwise, increasing clouds, with a low around 26. West southwest wind 6 to 13 mph becoming south southeast in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 48. South wind around 16 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 32. South wind 17 to 20 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 57. South wind 13 to 20 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 37. West northwest wind around 7 mph.
Monday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 60.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Tuesday
Rain. Mostly cloudy, with a high near 55.
Tuesday Night
Rain likely. Cloudy, with a low around 44.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly sunny, with a high near 61.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 42.
Friday
A slight chance of rain. Mostly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Mount Hamilton CA
 37.48°N 121.56°W (Elev. 3707 ft)
2:25 pm PST Feb 20, 2026
6pm 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