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

Flood Watch in effect from June 8, 07:00 AM CDT until June 9, 01:00 AM CDT

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93° N Lon: 90.43° W Elev: 436 ft.

Thunderstorm in Vicinity Light Rain

71°F

22°C

Humidity	90%
Wind Speed	SE 7 mph
Barometer	29.93 in (1013.1 mb)
Dewpoint	68°F (20°C)
Visibility	8.00 mi
Last update	8 Jun 9:54 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Lincoln County

Rest Of Today

Mostly cloudy with a chance of thunderstorms. A chance of showers. Some thunderstorms may produce heavy rainfall. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

Tonight

Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 50 percent.

Tuesday

Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 107 in the afternoon.

Tuesday Night

Mostly clear. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 106 early in the evening.

Wednesday

Sunny. Highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 103.

Wednesday Night

Mostly clear in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100 early in the evening.

Thursday

Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 70 percent. Heat index values up to 100.

Thursday Night

Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 70 percent.

Friday

Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.

Friday Night

Mostly clear with a chance of showers in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40 percent.

Saturday

Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.

Saturday Night

Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 60 percent.

Sunday

Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.