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 Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
A Few Clouds
80°F
27°C
| Humidity | 64% |
| Wind Speed | S 6 mph |
| Barometer | 30.01 in (1015.0 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 26 Aug 8:51 am CDT |
Extended Forecast for
2 Miles SW Saint Charles MO
Today
High: 91 °F
Mostly Sunny
Tonight
Low: 67 °F
Mostly Clear
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Partly Cloudy
Sunday
High: 92 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 91. Light and variable wind becoming west 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 67. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. North wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 64. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 85. Light northeast wind.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW Saint Charles MO
38.76°N 90.54°W (Elev. 597 ft)
38.76°N 90.54°W (Elev. 597 ft)
7:36 am CDT Aug 26, 2026
9am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
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