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Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Partly Cloudy
68°F
20°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 29.93 in (1013.0 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 12:52 am CDT |
Extended Forecast for
3 Miles E Pinckneyville IL
Flood Watch June 21, 01:00pm until June 22, 07:00am
Overnight

Low: 66 °F
Partly Cloudy
Sunday
High: 88 °F
Mostly Sunny
then Showers
LikelySunday Night
Low: 69 °F
Heavy Rain
then ShowersMonday

High: 80 °F
Chance
ShowersMonday Night

Low: 61 °F
Partly Cloudy
Tuesday

High: 82 °F
Mostly Sunny
Tuesday Night

Low: 62 °F
Partly Cloudy
Wednesday

High: 85 °F
Mostly Sunny
Wednesday Night

Low: 63 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 66. Light and variable wind.
Sunday
A chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 88. East southeast wind 5 to 10 mph becoming south 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms before 4am, then showers and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 69. South wind 9 to 16 mph becoming west southwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Monday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. West wind 8 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 61. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Calm wind.
Tuesday Night
Partly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 85. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 63. Light and variable wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 63. Light north wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light south wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Light south wind becoming south southwest 5 to 9 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles E Pinckneyville IL
38.08°N 89.32°W
38.08°N 89.32°W
12:56 am CDT Jun 21, 2026
1am CDT Jun 21, 2026-6pm CDT Jun 27, 2026



