Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
2 Miles S Jacob IL
Heat Advisory July 26, 11:00am until July 28, 07:00pm
Overnight
Low: 68 °F
Chance
ShowersSaturday
High: 87 °F
Showers
Likely then
Slight Chance
T-stormsSaturday Night
Low: 72 °F
Increasing
CloudsSunday
High: 94 °F
Decreasing
CloudsSunday Night
Low: 74 °F
Mostly Clear
Monday
High: 98 °F
Hot
Monday Night
Low: 78 °F
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 73 °F
Partly Cloudy
Detailed Forecast
Overnight
A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely before 11am, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Saturday Night
Increasing clouds, with a low around 72. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 108. Calm wind.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny and hot, with a high near 98. Light south southwest wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 78. South southwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 96. West wind 5 to 9 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 73. North northeast wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 92. Calm wind becoming north 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 70. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 92. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 71. Light and variable wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south southeast around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles S Jacob IL
37.73°N 89.54°W
37.73°N 89.54°W
12:21 am CDT Jul 25, 2026
12am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
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