Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
83°F
28°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 30.05 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 14 Aug 8:35 pm CDT |
Extended Forecast for
Benton ILSimilar City Names
Extreme Heat Warning August 14, 08:42pm until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Tonight
Low: 75 °F
Clear
Saturday
High: 99 °F
Hot
Saturday Night
Low: 76 °F
Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 73 °F
Slight Chance
T-storms then
Chance
ShowersMonday
High: 90 °F
Partly Sunny
then Chance
T-stormsMonday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 91 °F
Mostly Sunny
Detailed Forecast
Tonight
Clear, with a low around 75. Light south southeast wind.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind 3 to 6 mph.
Saturday Night
Clear, with a low around 76. Calm wind becoming southwest around 6 mph in the evening.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 107. West northwest wind 5 to 7 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Light north northwest wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. North northwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 91. Light and variable 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 96. South wind 5 to 11 mph becoming west in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. North wind 5 to 8 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. North wind 5 to 9 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. North northeast wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 85. North wind 3 to 8 mph.
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Point Forecast:
Benton ILSimilar City Names
38°N 88.93°W
38°N 88.93°W
6:05 pm CDT Aug 14, 2026
8pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026
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