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Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Mostly Cloudy

48°F

9°C

Humidity 81%
Wind Speed NW 11 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 Feb 11:47 AM PST
Extended Forecast for

Mount Hamilton CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning

  • This Afternoon

    This Afternoon: A 40 percent chance of snow before 2pm. Mostly cloudy, with a steady temperature around 38. West northwest wind around 18 mph, with gusts as high as 34 mph. Total daytime snow accumulation of less than one inch possible.

    High: 38 °F

    Chance Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42. Light west wind.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Calm wind becoming east southeast around 6 mph in the evening.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 49. South wind around 10 mph, with gusts as high as 23 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am. Partly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 10am. Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain, mainly after 4pm. Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 40 percent chance of snow before 2pm. Mostly cloudy, with a steady temperature around 38. West northwest wind around 18 mph, with gusts as high as 34 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Partly cloudy, with a low around 32. West northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 42. Light west wind.
Friday Night
Mostly clear, with a low around 35. Calm wind becoming east southeast around 6 mph in the evening.
Saturday
Mostly sunny, with a high near 49. South wind around 10 mph, with gusts as high as 23 mph.
Saturday Night
A 10 percent chance of rain after 4am. Partly cloudy, with a low around 42.
Sunday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 57.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Monday
A chance of rain, mainly after 4pm. Partly sunny, with a high near 59.
Monday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 53.
Tuesday
Rain likely. Mostly cloudy, with a high near 59.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 53.
Wednesday
Rain likely. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.62°W (Elev. 3406 ft)
Last Update:
11:31 am PST Feb 19, 2026
Forecast Valid:
12pm PST Feb 19, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation