Dangerous Heat and Possible Flooding
Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
73°F
23°C
| Humidity | 69% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 30.15 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 28 Aug 8:50 am CDT |
Extended Forecast for
Brighton IL
Today
High: 86 °F
Sunny
Tonight
Low: 62 °F
Mostly Clear
Saturday
High: 87 °F
Increasing
CloudsSaturday Night
Low: 67 °F
Partly Cloudy
Sunday
High: 93 °F
Sunny
Sunday Night
Low: 73 °F
Mostly Clear
Monday
High: 96 °F
Sunny
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Detailed Forecast
Today
Sunny, with a high near 86. North wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 62. Light east wind.
Saturday
Increasing clouds, with a high near 87. Light southeast wind becoming south 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 67. South wind around 8 mph.
Sunday
Sunny, with a high near 93. South wind 8 to 11 mph.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 20 percent chance of showers. Sunny and hot, with a high near 98.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Brighton IL
39.04°N 90.13°W (Elev. 650 ft)
39.04°N 90.13°W (Elev. 650 ft)
6:21 am CDT Aug 28, 2026
9am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
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