Hazardous Weather Conditions
- Flood Watch in effect from April 17, 04:00 PM CDT until April 18, 04:00 AM CDT
- Hazardous Weather Outlook
- Tornado Watch until April 17, 11:00 PM CDT
- Severe Thunderstorm Warning in effect from April 17, 10:14 PM CDT until April 17, 10:45 PM CDT
- Tornado Warning in effect from April 17, 10:26 PM CDT until April 17, 10:45 PM CDT
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Light Rain
73°F
23°C
| Humidity | 71% |
| Wind Speed | S 5 mph |
| Barometer | 29.71 in (1005.5 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 9:54 pm CDT |
Extended Forecast for
3 Miles SSW Dow IL
Flood Watch until April 18, 04:00am
Tornado Watch April 17, 10:31pm until April 17, 11:00pm
Severe T-storm Warning until April 17, 10:45pm
Tornado Warning until April 17, 10:45pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 46 °F
Severe
Thunderstorms
then ShowersSaturday
High: 57 °F
Chance
Showers then
SunnySaturday Night
Low: 39 °F
Clear
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 39 °F
Mostly Clear
Monday
High: 68 °F
Sunny
Monday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 79 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could be severe. Low around 46. South wind 11 to 16 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 57. Northwest wind around 17 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 39. Northwest wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 66. West wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 39. Northwest wind 6 to 9 mph becoming northeast after midnight.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Dow IL
39°N 90.33°W (Elev. 597 ft)
39°N 90.33°W (Elev. 597 ft)
10:11 pm CDT Apr 17, 2026
10pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026
Additional Resources
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Hourly Weather Forecast
