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

90°F

32°C

Humidity 38%
Wind Speed WNW 10 MPH
Barometer NA
Dewpoint 61°F (16°C)
Visibility NA
Heat Index90°F (32°C)
Last update 04 Aug 01:16 PM PDT
Extended Forecast for

3 Miles SE Corona CA

Heat Advisory August 4, 02:10pm until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 4, 02:10pm until August 8, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. North wind 5 to 10 mph becoming light and variable after midnight.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light northwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65. North wind 5 to 10 mph becoming light and variable in the evening.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: 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

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 97. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 64. North wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 95. Light northwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 65. North wind 5 to 10 mph becoming light and variable in the evening.
Thursday
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.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 99.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 99.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Corona CA
 33.84°N 117.51°W (Elev. 797 ft)
Last Update:
1:16 pm PDT Aug 4, 2026
Forecast Valid:
2pm PDT Aug 4, 2026-6pm PDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation