Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair and Breezy
77°F
25°C
| Humidity | 37% |
| Wind Speed | S 21 G 32 mph |
| Barometer | 29.70 in (1005.3 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 4 May 5:52 pm CDT |
Extended Forecast for
Dowell IL
Lake Wind Advisory May 4, 06:25pm until May 4, 08:00pm
NOW until 8:00pm Mon

Lake Wind Advisory
Tonight

Low: 58 °F
Chance
T-stormsTuesday

High: 67 °F
Heavy Rain
Tuesday Night

Low: 46 °F
Heavy Rain
Wednesday

High: 61 °F
Chance
ShowersWednesday Night

Low: 43 °F
Slight Chance
ShowersThursday

High: 65 °F
Sunny
Thursday Night

Low: 45 °F
Mostly Clear
Friday

High: 73 °F
Sunny
Detailed Forecast
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 58. South southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Tuesday
Showers and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. Some of the storms could produce heavy rainfall. High near 67. South southwest wind 9 to 11 mph becoming east northeast in the afternoon. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 46. North wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 61. North northeast wind around 10 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 43. North wind 6 to 8 mph.
Thursday
Sunny, with a high near 65. North northwest wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 45. Calm wind becoming south southwest around 5 mph after midnight.
Friday
Sunny, with a high near 73. South southwest wind 6 to 11 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 50. Southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 77. South southwest wind 6 to 8 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. South wind 3 to 5 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. South wind 6 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North wind around 8 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 72. North wind 8 to 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Dowell IL
37.95°N 89.25°W
37.95°N 89.25°W
1:26 pm CDT May 4, 2026
6pm CDT May 4, 2026-6pm CDT May 11, 2026



