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.

Fair

63°F

17°C

Humidity	81%
Wind Speed	N 3 mph
Barometer	30.01 in (1015.8 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	26 May 4:54 am CDT

More Information:

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

Extended Forecast for

4 Miles WNW Old Monroe MO

Today
High: 81 °F
Mostly Cloudy
Tonight
Low: 61 °F
Mostly Cloudy
then Chance
Showers
Wednesday
High: 82 °F
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 62 °F
Increasing
Clouds
Thursday
High: 83 °F
Partly Sunny
Thursday Night
Low: 61 °F
Mostly Cloudy
Friday
High: 79 °F
Mostly Cloudy
Friday Night
Low: 59 °F
Mostly Cloudy
Saturday
High: 80 °F
Mostly Sunny

Detailed Forecast

Today

Mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 1am and 3am. Mostly cloudy, with a low around 61. Light and variable wind.

Wednesday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind. Chance of precipitation is 20%.

Wednesday Night

Increasing clouds, with a low around 62. Calm wind.

Thursday

Partly sunny, with a high near 83. East wind 3 to 8 mph.

Thursday Night

Mostly cloudy, with a low around 61.

Friday

Mostly cloudy, with a high near 79.

Friday Night

Mostly cloudy, with a low around 59.

Saturday

Mostly sunny, with a high near 80.