Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley
Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
78°F
26°C
| Humidity | 71% |
| Wind Speed | Calm |
| Barometer | 30.00 in (1015.6 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 26 Aug 8:53 am CDT |
Extended Forecast for
Centreville IL
Today
High: 93 °F
Mostly Sunny
Tonight
Low: 68 °F
Partly Cloudy
Thursday
High: 88 °F
Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 63 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
Sunday
High: 94 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 93. Heat index values as high as 101. South wind 5 to 7 mph becoming west in the afternoon.
Tonight
Partly cloudy, with a low around 68. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Calm wind becoming north 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 65. North wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny and hot, with a high near 97.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 96.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Centreville IL
38.55°N 90.12°W (Elev. 420 ft)
38.55°N 90.12°W (Elev. 420 ft)
7:36 am CDT Aug 26, 2026
9am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
Additional Resources
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