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

55°F

13°C

Humidity 47%
Wind Speed SSE 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 20 Feb 04:51 PM PST
Extended Forecast for

7 Miles NNW 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 8pm and 10pm.  Otherwise, increasing clouds, with a low around 31. West wind 5 to 13 mph becoming southeast in the evening.

    Low: 31 °F

    Frost then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 48. South wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 48 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. South wind around 18 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. South wind 11 to 20 mph, with gusts as high as 23 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. South wind around 6 mph becoming east after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Monday

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

    High: 62 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Rain

  • Tuesday Night

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

    Low: 50 °F

    Rain Likely

Detailed Forecast

Tonight
Widespread frost between 8pm and 10pm. Otherwise, increasing clouds, with a low around 31. West wind 5 to 13 mph becoming southeast in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 48. South wind 14 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 36. South wind around 18 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 57. South wind 11 to 20 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 43. South wind around 6 mph becoming east after midnight.
Monday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 62.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Tuesday
Rain. Mostly 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 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
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 48.
Friday
A slight chance of rain. Mostly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Mount Hamilton CA
 37.43°N 121.69°W (Elev. 3619 ft)
2:25 pm PST Feb 20, 2026
5pm 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