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

Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Rain

45°F

7°C

Humidity 87%
Wind Speed NNW 8 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 17 Feb 09:55 PM PST
Extended Forecast for

Mount Hamilton CA

Winter Weather Advisory February 18, 12:03am until February 18, 04:00pm
Extreme Cold Warning until February 18, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
Extreme Cold Warning
  •  
    Winter Weather Advisory February 18, 12:03am until February 18, 04:00pm
    Extreme Cold Warning until February 18, 09:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 30 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow before noon, then a chance of rain and snow. The snow could be heavy at times. High near 37. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Heavy Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. The snow could be heavy at times. Steady temperature around 35. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 35 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Thursday

    Thursday: Snow, possibly mixed with rain. High near 37. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of snow between 7pm and 10pm. Widespread frost after 1am. Otherwise, partly cloudy, with a low around 28. West northwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance
    Rain/Snow
    then Frost

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 10am. Mostly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
A chance of snow showers before 1am, then a chance of snow after 1am. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy, with a low around 30. Northwest wind 9 to 11 mph becoming southwest. Winds could gust as high as 30 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Snow before noon, then a chance of rain and snow. The snow could be heavy at times. High near 37. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Rain and snow. The snow could be heavy at times. Steady temperature around 35. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow, possibly mixed with rain. High near 37. Light and variable wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of rain and snow before 7pm, then a chance of snow between 7pm and 10pm. Widespread frost after 1am. Otherwise, partly cloudy, with a low around 28. West northwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A slight chance of rain after 10am. Mostly sunny, with a high near 48.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 42.
Sunday
Rain. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Mostly cloudy, with a low around 47.
Monday
Rain. Mostly cloudy, with a high near 52.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain. Mostly cloudy, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
10:52 pm PST Feb 17, 2026
Forecast Valid:
12am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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