Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Partly Cloudy
81°F
27°C
| Humidity | 98% |
| Wind Speed | SW 3 mph |
| Barometer | 29.97 in |
| Dewpoint | 80°F (27°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 25 Jul 8:15 pm CDT |
Extended Forecast for
Benton IL
Heat Advisory July 26, 11:00am until July 28, 07:00pm
Tonight
Low: 72 °F
Partly Cloudy
then Patchy
FogSunday
High: 95 °F
Patchy Fog
then Slight
Chance
T-stormsSunday Night
Low: 76 °F
Slight Chance
T-storms then
Mostly ClearMonday

High: 99 °F
Hot
Monday Night

Low: 79 °F
Mostly Clear
Tuesday

High: 96 °F
Sunny
Tuesday Night

Low: 71 °F
Mostly Clear
Wednesday

High: 91 °F
Sunny
Wednesday Night

Low: 68 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 72. Calm wind.
Sunday
A 10 percent chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 108. Light and variable wind.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Light and variable wind.
Monday
Mostly sunny and hot, with a high near 99. Heat index values as high as 112. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 79. South southwest wind around 9 mph.
Tuesday
Sunny, with a high near 96. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 71. Northeast wind 5 to 9 mph.
Wednesday
Sunny, with a high near 91. Light north northeast wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 68. North northeast wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 69. Northeast wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Northeast wind around 6 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming north 5 to 8 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Benton IL
38°N 88.93°W
38°N 88.93°W
7:51 pm CDT Jul 25, 2026
8pm CDT Jul 25, 2026-6pm CDT Aug 1, 2026



