National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

LAKE MATHEWS (MHEC1)

Lat: 33.81694°NLon: 117.46361°WElev: 1516.0ft.

NA

99°F

37°C

Humidity 21%
Wind Speed NNW 13 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index97°F (36°C)
Last update 31 Jul 03:16 PM PDT
Extended Forecast for

5 Miles S Riverside Municipal CA

Extreme Heat Warning July 31, 04:08pm until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 31, 04:08pm until August 2, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 99. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 99 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 66. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 66 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 68. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 99. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 68. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 97. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Clear, with a low around 66. West wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 94.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Clear, with a low around 64.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Riverside Municipal CA
 33.87°N 117.46°W (Elev. 1581 ft)
Last Update:
2:48 pm PDT Jul 31, 2026
Forecast Valid:
4pm PDT Jul 31, 2026-6pm PDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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