
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°NLon: 90.43°WElev: 436ft.
Fair
69°F
21°C
| Humidity | 81% |
| Wind Speed | N 3 mph |
| Barometer | 29.79 in (1008.1 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 16 May 2:54 am CDT |
Extended Forecast for
2 Miles W Old Monroe MO
Overnight

Low: 68 °F
Chance
ShowersSaturday
High: 83 °F
Showers then
Chance
T-stormsSaturday Night
Low: 63 °F
Slight Chance
T-storms then
Partly CloudySunday

High: 90 °F
Sunny
Sunday Night

Low: 68 °F
Mostly Clear
Monday
High: 88 °F
Chance
Showers then
Chance
T-stormsMonday Night

Low: 68 °F
Chance
T-stormsTuesday

High: 84 °F
T-storms
LikelyTuesday Night

Low: 56 °F
Showers
Likely
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. Southeast wind around 6 mph.
Saturday
Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 4pm. High near 83. East wind around 7 mph becoming south in the morning. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Partly cloudy, with a low around 63. Southeast wind around 6 mph.
Sunday
Sunny, with a high near 90. South wind 8 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 68. South wind around 11 mph, with gusts as high as 23 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles W Old Monroe MO
38.94°N 90.79°W (Elev. 499 ft)
38.94°N 90.79°W (Elev. 499 ft)
1:25 am CDT May 16, 2026
3am CDT May 16, 2026-6pm CDT May 22, 2026



