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Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
81°F
27°C
Humidity | 82% |
Wind Speed | SE 3 mph |
Barometer | 29.98 in (1014.9 mb) |
Dewpoint | 75°F (24°C) |
Visibility | 10.00 mi |
Heat Index | 87°F (31°C) |
Last update | 18 Aug 8:52 pm CDT |
Extended Forecast for
Oraville IL
Heat Advisory August 18, 09:47pm until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
Tonight
Low: 75 °F
Clear
Tuesday
High: 97 °F
Sunny then
Chance
T-stormsTuesday Night
Low: 72 °F
Chance
T-stormsWednesday
High: 89 °F
Chance
T-stormsWednesday Night
Low: 68 °F
Partly Cloudy
Thursday
High: 89 °F
Mostly Sunny
Thursday Night
Low: 67 °F
Mostly Clear
Friday
High: 91 °F
Sunny
Detailed Forecast
Tonight
Clear, with a low around 75. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Light north northwest wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Light north wind becoming north northeast 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 89. North northeast wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 67. North northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62. North wind 3 to 6 mph.
Sunday
Sunny, with a high near 85. Light north wind becoming north northwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 58. North wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Oraville IL
37.91°N 89.42°W
37.91°N 89.42°W
8:15 pm CDT Aug 18, 2025
9pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025