Hazardous Weather Conditions

Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

NA

76°F

24°C

Humidity 41%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index78°F (26°C)
Last update 07 Aug 08:00 AM PDT
Extended Forecast for

3 Miles S Rialto CA

Heat Advisory August 7, 09:30am until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 7, 09:30am until August 8, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 102 °F

    Haze

  • Tonight

    Tonight: Widespread haze before 8pm. Clear, with a low around 71. West wind 5 to 10 mph becoming light southwest  in the evening. Winds could gust as high as 20 mph.

    Low: 71 °F

    Haze then
    Clear

  • Friday

    Friday: Widespread haze after 8am. Sunny, with a high near 100. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 100 °F

    Haze

  • Friday Night

    Friday Night: Clear, with a low around 68. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

Detailed Forecast

Today
Widespread haze. Sunny, with a high near 102. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Widespread haze before 8pm. Clear, with a low around 71. West wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.
Friday
Widespread haze after 8am. Sunny, with a high near 100. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Clear, with a low around 68. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 98. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 68.
Sunday
Sunny, with a high near 98.
Sunday Night
Clear, with a low around 69.
Monday
Sunny, with a high near 97.
Monday Night
Clear, with a low around 67.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 94.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Rialto CA
 34.06°N 117.39°W (Elev. 1056 ft)
8:58 am PDT Aug 7, 2025
9am PDT Aug 7, 2025-6pm PDT Aug 13, 2025
 
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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