Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
65°F
18°C
| Humidity | 49% |
| Wind Speed | SE 6 mph |
| Barometer | 30.00 in (1015.8 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 14 May 7:52 pm CDT |
Extended Forecast for
Dowell IL
Tonight
Low: 52 °F
Increasing
CloudsFriday
High: 83 °F
Chance
T-stormsFriday Night
Low: 67 °F
Chance
T-stormsSaturday
High: 87 °F
Chance
Showers then
Chance
T-stormsSaturday Night
Low: 66 °F
Partly Cloudy
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 69 °F
Clear
Monday
High: 91 °F
Mostly Sunny
then Slight
Chance
T-stormsMonday Night
Low: 73 °F
Chance
T-storms
Detailed Forecast
Tonight
Increasing clouds, with a low around 52. Southeast wind 3 to 7 mph.
Friday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 83. South southeast wind 9 to 16 mph becoming east in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 66. South wind 7 to 10 mph.
Sunday
Sunny, with a high near 90. South wind 7 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 69. South wind 10 to 14 mph, with gusts as high as 22 mph.
Monday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South wind 13 to 18 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 15 mph, with gusts as high as 24 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Southwest wind 15 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 6 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East northeast wind around 6 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Northeast wind 6 to 8 mph becoming southwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Dowell IL
37.92°N 89.22°W
37.92°N 89.22°W
8:11 pm CDT May 14, 2026
8pm CDT May 14, 2026-6pm CDT May 21, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
