Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. 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

4 Miles SSW Mount Hamilton CA

Extreme Cold Warning February 21, 07:09am until February 21, 09:00am
Click here for hazard details and duration
...
  •  
    Extreme Cold Warning February 21, 07:09am until February 21, 09:00am

    NOW until 9:00am Sat

    Extreme Cold Warning

  • Today

    High: 55 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy frost between 1am and 2am.  Otherwise, mostly clear, with a low around 37. Southeast wind around 6 mph.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Mostly sunny, with a high near 61. South wind around 6 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 10pm.  Mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 4am.  Cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 55. Light and variable wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tonight
Patchy frost between 1am and 2am. Otherwise, mostly clear, with a low around 37. Southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 61. South wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 42. Calm wind.
Monday
Partly sunny, with a high near 66. Light and variable wind.
Monday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely. Cloudy, with a high near 61. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before 4am. Cloudy, with a low around 49.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 64.
Wednesday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 46.
Thursday
A slight chance of rain. Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mount Hamilton CA
 37.28°N 121.65°W (Elev. 1762 ft)
12:26 am PST Feb 21, 2026
7am PST Feb 21, 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