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

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

90°F

32°C

Humidity 33%
Wind Speed WNW 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Mar 02:47 PM PDT
Extended Forecast for

11 Miles N Mount Hamilton CA

Heat Advisory March 18, 03:08pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 03:08pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North wind 5 to 7 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64. North wind 5 to 7 mph becoming south southeast in the evening.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. East wind 5 to 7 mph becoming north northwest in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. North northwest wind 6 to 9 mph becoming southwest in the evening.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 62. Northwest wind around 6 mph becoming southwest in the evening.
Thursday
Sunny, with a high near 84. North wind 5 to 7 mph.
Thursday Night
Clear, with a low around 64. North wind 5 to 7 mph becoming south southeast in the evening.
Friday
Sunny, with a high near 86. East wind 5 to 7 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 64. North northwest wind 6 to 9 mph becoming southwest in the evening.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Mount Hamilton CA
 37.5°N 121.68°W (Elev. 3465 ft)
2:07 pm PDT Mar 18, 2026
3pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
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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