Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
75°F
24°C
| Humidity | 36% |
| Wind Speed | E 9 mph |
| Barometer | 30.24 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 5 Oct 12:45 pm CDT |
Extended Forecast for
Simpson IL
This Afternoon
High: 78 °F
Sunny
Tonight
Low: 48 °F
Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 49 °F
Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 55 °F
Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 53 °F
Clear
Friday
High: 81 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 78. Northeast wind around 7 mph.
Tonight
Clear, with a low around 48. Calm wind.
Tuesday
Sunny, with a high near 77. Light east southeast wind.
Tuesday Night
Clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 83. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 53. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming east around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the morning.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 56. Calm wind.
Sunday
A chance of showers. Mostly sunny, with a high near 79. Calm wind becoming east southeast 5 to 7 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Simpson IL
37.46°N 88.77°W
37.46°N 88.77°W
1:26 pm CDT Oct 5, 2026
1pm CDT Oct 5, 2026-6pm CDT Oct 11, 2026
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