News Headlines
Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
93°F
34°C
| Humidity | 50% |
| Wind Speed | Calm |
| Barometer | 30.05 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 18 Aug 1:45 pm CDT |
Extended Forecast for
2 Miles ENE Benton IL
Heat Advisory August 18, 02:11pm until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
This Afternoon
High: 98 °F
Hot
Tonight
Low: 76 °F
Clear
Tuesday
High: 98 °F
Sunny then
Chance
T-stormsTuesday Night
Low: 72 °F
Chance
T-stormsWednesday
High: 91 °F
Chance
T-stormsWednesday Night
Low: 68 °F
Partly Cloudy
Thursday
High: 89 °F
Mostly Sunny
Thursday Night
Low: 67 °F
Mostly Clear
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 105. Southeast wind 3 to 5 mph.
Tonight
Clear, with a low around 76. Light east southeast wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91. Light north northeast wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind 5 to 9 mph.
Thursday
Mostly sunny, with a high near 89. North northeast wind 6 to 10 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 92. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 67. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 91. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. North wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. Light north wind becoming north northwest 5 to 10 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Benton IL
38.02°N 88.9°W
38.02°N 88.9°W
1:45 pm CDT Aug 18, 2025
2pm CDT Aug 18, 2025-6pm CDT Aug 24, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
