Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

133°F

56°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 112°F (44°C)
Visibility 10.00 mi
Heat Index289°F (143°C)
Last update 18 Mar 09:57 PM PDT
Extended Forecast for

10 Miles NNE Mount Hamilton CA

Heat Advisory March 18, 11:28pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 11:28pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North northeast wind 6 to 8 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51. West wind 6 to 8 mph.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. North wind around 7 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. North northwest wind 7 to 9 mph becoming west southwest in the evening.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 50. Southwest wind around 6 mph becoming north northwest after midnight.
Thursday
Sunny, with a high near 84. North northeast wind 6 to 8 mph.
Thursday Night
Clear, with a low around 51. West wind 6 to 8 mph.
Friday
Sunny, with a high near 86. North wind around 7 mph.
Friday Night
Mostly clear, with a low around 52. North northwest wind 7 to 9 mph becoming west southwest in the evening.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Mount Hamilton CA
 37.48°N 121.56°W (Elev. 3707 ft)
9:21 pm PDT Mar 18, 2026
11pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database