NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment
After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >
Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93° N Lon: 90.43° W Elev: 436 ft.
Mostly Cloudy
77°F
25°C
| Humidity | 74% |
| Wind Speed | S 10 mph |
| Barometer | 29.85 in (1010.2 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 18 May 6:54 am CDT |
Detailed forecast for
Jersey County
Today
Showers. A chance of thunderstorms this morning, then thunderstorms likely this afternoon. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
Tonight
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.
Tuesday
Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the lower 80s. Temperature falling into the upper 70s in the afternoon. South winds 10 to 15 mph, becoming west in the afternoon. Chance of rain near 100 percent.
Tuesday Night
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers after midnight. Cooler. Less humid with lows in the lower 50s. Northwest winds 5 to 10 mph. Chance of rain 70 percent.
Wednesday
Partly sunny. Much cooler with highs in the upper 60s. North winds 5 to 10 mph.
Wednesday Night
Mostly cloudy. Lows in the upper 40s.
Thursday
Mostly sunny. Highs in the lower 70s.
Thursday Night
Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent.
Friday
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
Friday Night
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 50 percent.
Saturday
Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs around 80. Chance of rain 40 percent.
Saturday Night And Sunday
Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
Additional Forecasts and Information
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