Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
86°F
30°C
| Humidity | 46% |
| Wind Speed | N 9 mph |
| Barometer | 30.08 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 28 Aug 3:45 pm CDT |
Extended Forecast for
Benton ILSimilar City Names
This Afternoon

High: 86 °F
Sunny
Tonight
Low: 64 °F
Clear then
Patchy FogSaturday
High: 92 °F
Patchy Fog
then Mostly
SunnySaturday Night

Low: 68 °F
Partly Cloudy
Sunday

High: 96 °F
Sunny
Sunday Night

Low: 73 °F
Mostly Clear
Monday

High: 98 °F
Hot
Monday Night

Low: 75 °F
Mostly Clear
Tuesday

High: 99 °F
Hot
Detailed Forecast
This Afternoon
Sunny, with a steady temperature around 86. Light northeast wind.
Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 64. Light northeast wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
Sunny, with a high near 96. Light south southeast wind becoming south southwest 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind 3 to 6 mph.
Monday
Sunny and hot, with a high near 98. South southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South wind 3 to 6 mph.
Tuesday
Sunny and hot, with a high near 99. Southwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 99. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 100. Southwest wind 3 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Benton ILSimilar City Names
38°N 88.93°W
38°N 88.93°W
3:51 pm CDT Aug 28, 2026
4pm CDT Aug 28, 2026-6pm CDT Sep 3, 2026


