Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
93°F
34°C
| Humidity | 56% |
| Wind Speed | S 7 mph |
| Barometer | 30.01 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 105°F (41°C) |
| Last update | 14 Aug 5:52 pm CDT |
Extended Forecast for
4 Miles NE Jacob IL
Extreme Heat Warning August 14, 07:37pm until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Tonight
Low: 74 °F
Clear
Saturday
High: 97 °F
Hot
Saturday Night
Low: 74 °F
Clear
Sunday
High: 97 °F
Hot
Sunday Night
Low: 72 °F
Slight Chance
T-storms then
Chance
ShowersMonday
High: 87 °F
Partly Sunny
then Chance
T-stormsMonday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 88 °F
Mostly Sunny
Detailed Forecast
Tonight
Clear, with a low around 74. South wind 3 to 5 mph.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 106. Light southwest wind.
Saturday Night
Clear, with a low around 74. South southwest wind 3 to 5 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 107. Light west wind.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Calm wind becoming north around 5 mph after midnight.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. North northwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 68. Light north northeast wind.
Tuesday
Mostly sunny, with a high near 88. Calm wind.
Tuesday Night
Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 93. South southwest wind 5 to 9 mph becoming west in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. North wind around 6 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. North wind around 6 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. North northeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 82. North wind 3 to 6 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NE Jacob IL
37.8°N 89.51°W
37.8°N 89.51°W
6:05 pm CDT Aug 14, 2026
7pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026
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