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Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
84°F
29°C
Humidity | 64% |
Wind Speed | Calm |
Barometer | 30.03 in |
Dewpoint | 70°F (21°C) |
Visibility | 10.00 mi |
Heat Index | 89°F (32°C) |
Last update | 16 Aug 7:55 pm CDT |
Extended Forecast for
3 Miles SW Tunnel Hill IL
Heat Advisory August 16, 07:59pm until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
Tonight
Low: 75 °F
Mostly Clear
Sunday
High: 97 °F
Sunny then
Slight Chance
T-stormsSunday Night
Low: 74 °F
Slight Chance
T-storms then
Mostly ClearMonday
High: 96 °F
Sunny
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 73 °F
Chance
T-stormsWednesday
High: 90 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 75. Light south southeast wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 106. Light and variable wind.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 74. Calm wind.
Monday
Sunny, with a high near 96. Calm wind.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Light and variable wind.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. North wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 69. North northeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 84. North northeast wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 67. North northeast wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 87. North northeast wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 67. Light northeast wind.
Saturday
Sunny, with a high near 91. Light north wind.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SW Tunnel Hill IL
37.53°N 88.93°W
37.53°N 88.93°W
5:45 pm CDT Aug 16, 2025
7pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025