
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
70°F
21°C
| Humidity | 78% |
| Wind Speed | N 6 mph |
| Barometer | 30.03 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 27 Aug 8:50 pm CDT |
Extended Forecast for
Brighton IL
Tonight

Low: 61 °F
Mostly Clear
Friday

High: 86 °F
Sunny
Friday Night

Low: 62 °F
Partly Cloudy
Saturday

High: 88 °F
Mostly Sunny
Saturday Night

Low: 69 °F
Partly Cloudy
Sunday

High: 94 °F
Sunny
Sunday Night

Low: 74 °F
Mostly Clear
Monday

High: 96 °F
Sunny
Monday Night

Low: 77 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 61. Calm wind.
Friday
Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 62. Light east wind.
Saturday
Mostly sunny, with a high near 88. South wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 69. South wind around 8 mph.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 97.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Brighton IL
39.04°N 90.13°W (Elev. 650 ft)
39.04°N 90.13°W (Elev. 650 ft)
9:11 pm CDT Aug 27, 2026
9pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026


