Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
52°F
11°C
| Humidity | 41% |
| Wind Speed | NE 12 mph |
| Barometer | 30.35 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 23 Mar 5:47 pm CDT |
Extended Forecast for
Benton ILSimilar City Names
Tonight

Low: 37 °F
Mostly Cloudy
Tuesday

High: 63 °F
Mostly Sunny
Tuesday Night

Low: 43 °F
Partly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Wednesday Night

Low: 61 °F
Partly Cloudy
Thursday

High: 85 °F
Sunny
Thursday Night
Low: 44 °F
Slight Chance
T-storms then
Showers
LikelyFriday

High: 52 °F
Showers
LikelyFriday Night

Low: 32 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 37. East northeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 63. East southeast wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 43. East southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 74. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 61. South wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. South southwest wind around 17 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 52. North wind 16 to 18 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 32. North wind 9 to 15 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 57. Northeast wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 37. Light southeast wind.
Sunday
Mostly sunny, with a high near 65. South wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 48. South southeast wind 5 to 7 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 71. South wind 7 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
Benton ILSimilar City Names
38°N 88.93°W
38°N 88.93°W
6:01 pm CDT Mar 23, 2026
6pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026


