Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Partly Cloudy
82°F
28°C
| Humidity | 58% |
| Wind Speed | S 6 mph |
| Barometer | 30.04 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 4 Aug 1:47 pm CDT |
Extended Forecast for
4 Miles ESE Marion IL
This Afternoon

High: 88 °F
Mostly Sunny
Tonight

Low: 64 °F
Mostly Clear
Wednesday

High: 91 °F
Sunny
Wednesday Night

Low: 70 °F
Increasing
CloudsThursday

High: 89 °F
Chance
ShowersThursday Night
Low: 71 °F
Mostly Cloudy
then Chance
T-stormsFriday

High: 89 °F
Showers
LikelyFriday Night

Low: 70 °F
Chance
T-stormsSaturday

High: 90 °F
Slight Chance
T-storms
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 88. East southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 64. Light southeast wind.
Wednesday
Sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 70. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the morning.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Calm wind.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light south southwest wind.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 92. Light south wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 74. South wind 5 to 8 mph.
Monday
Sunny, with a high near 95. South southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Marion IL
37.71°N 88.86°W
37.71°N 88.86°W
1:54 pm CDT Aug 4, 2026
2pm CDT Aug 4, 2026-6pm CDT Aug 10, 2026


