Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
70°F
21°C
| Humidity | 98% |
| Wind Speed | Calm |
| Barometer | 30.06 in |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 10:35 pm CDT |
Extended Forecast for
2 Miles NNW Marion IL
Tonight

Low: 65 °F
Clear
Wednesday

High: 92 °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: 91 °F
Slight Chance
T-stormsSaturday Night

Low: 72 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 70. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the morning.
Thursday Night
A 50 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 south southwest 5 to 7 mph in the morning. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 72. Light south wind.
Sunday
Sunny, with a high near 93. Light south wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind 6 to 9 mph.
Monday
Sunny, with a high near 95. South southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 76. South wind 10 to 13 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95. South southwest wind 8 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Marion IL
37.76°N 88.97°W
37.76°N 88.97°W
8:46 pm CDT Aug 4, 2026
10pm CDT Aug 4, 2026-6pm CDT Aug 11, 2026


