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. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
70°F
21°C
| Humidity | 87% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1014.5 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 26 Aug 6:54 am CDT |
Extended Forecast for
Winfield MO
Today
High: 91 °F
Decreasing
CloudsTonight
Low: 65 °F
Mostly Clear
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 62 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Partly Cloudy
Sunday
High: 93 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 65. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. Calm wind becoming north 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 85. Light northeast wind.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 72.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Winfield MO
38.99°N 90.73°W (Elev. 433 ft)
38.99°N 90.73°W (Elev. 433 ft)
5:21 am CDT Aug 26, 2026
7am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
Additional Resources
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Hourly Weather Forecast
