Hazardous Weather Conditions
Current conditions at
LAKE MATHEWS (MHEC1)
Lat: 33.81694°NLon: 117.46361°WElev: 1516.0ft.NA
97°F
36°C
| Humidity | 21% |
| Wind Speed | NNW 9 MPH |
| Barometer | NA |
| Dewpoint | 51°F (11°C) |
| Visibility | NA |
| Heat Index | 94°F (34°C) |
| Last update | 25 Aug 12:16 PM PDT |
Extended Forecast for
6 Miles SE Corona CA
Extreme Heat Warning August 25, 01:18pm until August 28, 08:00pm
NOW until 8:00pm Fri

Extreme Heat Warning
This Afternoon

High: 105 °F
Sunny
Tonight

Low: 72 °F
Mostly Clear
Wednesday

High: 108 °F
Increasing
CloudsWednesday Night

Low: 74 °F
Mostly Cloudy
Thursday

High: 109 °F
Partly Sunny
Thursday Night

Low: 74 °F
Mostly Cloudy
Friday

High: 108 °F
Mostly Sunny
Friday Night

Low: 73 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Sunny, with a high near 105. Heat index values as high as 108. Northwest wind 10 to 15 mph becoming southwest. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 72. West wind around 5 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 108. Heat index values as high as 111. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 74. Calm wind becoming east around 5 mph.
Thursday
Partly sunny, with a high near 109. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 108.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Sunny, with a high near 104.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 100.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 96.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles SE Corona CA
33.81°N 117.51°W (Elev. 965 ft)
33.81°N 117.51°W (Elev. 965 ft)
11:56 am PDT Aug 25, 2026
1pm PDT Aug 25, 2026-6pm PDT Aug 31, 2026



