National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Overcast

50°F

10°C

Humidity 71%
Wind Speed SSE 11 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 Feb 08:50 AM PST
Extended Forecast for

Mount Hamilton CA

Winter Weather Advisory until February 18, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 18, 04:00pm

    NOW until 4:00pm Wed

    Winter Weather Advisory

  • Today

    High: 40 °F

    Breezy.
    Showers then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 10pm. The snow could be heavy at times. Some thunder is also possible. Low around 30. West wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Rain/Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow likely before 10am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 39. West southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow. Low around 34. South wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all rain after 1pm. High near 39. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely before 10pm, then a chance of rain and snow. Partly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 1pm, then a chance of rain. Mostly sunny, with a high near 45. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain. Partly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Today
Rain and snow showers. Some thunder is also possible. High near 40. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow showers, becoming all snow after 10pm. The snow could be heavy at times. Some thunder is also possible. Low around 30. West wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow likely before 10am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 39. West southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Rain, possibly mixed with snow. Low around 34. South wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 39. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain likely before 10pm, then a chance of rain and snow. Partly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of rain and snow before 1pm, then a chance of rain. Mostly sunny, with a high near 45. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain. Partly cloudy, with a low around 34.
Saturday
A chance of rain. Partly sunny, with a high near 49.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 54.
Sunday Night
Rain. Mostly cloudy, with a low around 47.
Monday
Rain. Cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
9:15 am PST Feb 17, 2026
Forecast Valid:
9am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation