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

48°F

9°C

Humidity 93%
Wind Speed NNW 9 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Feb 01:55 PM PST
Extended Forecast for

Mount Hamilton CA

Winter Weather Advisory until February 18, 04:00pm
Flood Advisory February 17, 02:22pm until February 17, 03:00pm
Extreme Cold Warning February 18, 12:00am until February 18, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
Flood Advisory
Extreme Cold Warning
  •  
    Winter Weather Advisory until February 18, 04:00pm
    Flood Advisory February 17, 02:22pm until February 17, 03:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 37 °F

    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Snow showers, mainly before 10pm, then snow likely after 1am. The snow could be heavy at times. Some thunder is also possible. Low around 32. West northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 32 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow likely before 4pm. Partly sunny, with a steady temperature around 36. West wind 6 to 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow, mainly after 10pm. Low around 34. South wind 7 to 14 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 34 °F

    Snow

  • Thursday

    Thursday: Snow, mainly before 4pm. High near 40. South wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Snow then
    Snow Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 32. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow between 10am and 4pm. Mostly sunny, with a high near 45. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A slight chance of snow after 10pm. Partly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
Snow showers, possibly mixed with rain. Some thunder is also possible. Steady temperature around 37. Breezy, with a west southwest wind around 22 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Snow showers, mainly before 10pm, then snow likely after 1am. The snow could be heavy at times. Some thunder is also possible. Low around 32. West northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow likely before 4pm. Partly sunny, with a steady temperature around 36. West wind 6 to 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow, mainly after 10pm. Low around 34. South wind 7 to 14 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow, mainly before 4pm. High near 40. South wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday Night
A 30 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 32. Little or no snow accumulation expected.
Friday
A slight chance of snow between 10am and 4pm. Mostly sunny, with a high near 45. Chance of precipitation is 20%.
Friday Night
A slight chance of snow after 10pm. Partly cloudy, with a low around 36.
Saturday
A chance of snow before 1pm, then a chance of rain. Mostly sunny, with a high near 49.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 44.
Sunday
Rain. Mostly cloudy, with a high near 54.
Sunday Night
Rain. Mostly cloudy, with a low around 50.
Monday
Rain. Mostly cloudy, with a high near 55.
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 121.62°W (Elev. 3406 ft)
Last Update:
2:05 pm PST Feb 17, 2026
Forecast Valid:
2pm PST Feb 17, 2026-6pm PST Feb 23, 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