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

Hazardous Weather Outlook

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Light Rain

71°F

22°C

Humidity	84%
Wind Speed	NE 15 G 22 mph
Barometer	29.95 in (1013.6 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	16 May 1:54 pm CDT

More Information:

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

Extended Forecast for

5 Miles SE Silex MO

This Afternoon
High: 78 °F
Showers
Likely
Tonight
Low: 65 °F
Slight Chance
T-storms
Sunday
High: 86 °F
Decreasing
Clouds
Sunday Night
Low: 69 °F
Partly Cloudy
Monday
High: 86 °F
Chance
Showers then
Showers
Likely
Monday Night
Low: 69 °F
Chance
Showers then
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms then
Showers
Tuesday Night
Low: 56 °F
Showers
Likely
Wednesday
High: 69 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. South wind around 7 mph. Chance of precipitation is 60%.

Tonight

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. Southeast wind around 6 mph.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 86. South wind 7 to 13 mph, with gusts as high as 26 mph.

Sunday Night

Partly cloudy, with a low around 69. South wind 9 to 11 mph, with gusts as high as 24 mph.

Monday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

Tuesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Chance of precipitation is 80%.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

Wednesday

Mostly cloudy, with a high near 69.

Wednesday Night

Mostly cloudy, with a low around 50.

Thursday

Partly sunny, with a high near 69.