
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, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
62°F
17°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.08 in (1017.7 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 28 Aug 1:54 am CDT |
Extended Forecast for
Wentzville MO
Overnight

Low: 61 °F
Clear
Friday

High: 85 °F
Sunny
Friday Night

Low: 61 °F
Mostly Clear
Saturday

High: 88 °F
Increasing
CloudsSaturday Night

Low: 68 °F
Partly Cloudy
Sunday

High: 93 °F
Sunny
Sunday Night

Low: 72 °F
Mostly Clear
Monday

High: 96 °F
Sunny
Monday Night

Low: 74 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 61. Calm wind.
Friday
Sunny, with a high near 85. Calm wind.
Friday Night
Mostly clear, with a low around 61. Calm wind.
Saturday
Increasing clouds, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 68. South wind around 6 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 72.
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 76.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers. Sunny and hot, with a high near 97.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Wentzville MO
38.81°N 90.85°W (Elev. 633 ft)
38.81°N 90.85°W (Elev. 633 ft)
1:26 am CDT Aug 28, 2026
2am CDT Aug 28, 2026-6pm CDT Sep 3, 2026


