Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

Jolon Hills (PG727)

Lat: 35.88446°NLon: 120.95584°WElev: 1495.0ft.

NA

74°F

23°C

Humidity 50%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 17 Mar 12:20 PM PDT
Extended Forecast for

6 Miles N Lake San Antonio CA

Heat Advisory March 17, 12:33pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 12:33pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65. Light north wind.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Light and variable wind becoming east northeast around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 84. East southeast wind around 6 mph.
Tonight
Mostly clear, with a low around 63. Light and variable wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 65. Light north wind.
Thursday
Sunny, with a high near 88. Light and variable wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Lake San Antonio CA
 35.95°N 120.99°W (Elev. 1962 ft)
11:56 am PDT Mar 17, 2026
12pm PDT Mar 17, 2026-6pm PDT Mar 23, 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