Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
26°F
-3°C
| Humidity | 71% |
| Wind Speed | S 5 mph |
| Barometer | 30.48 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 11 Jan 10:55 pm CST |
Extended Forecast for
3 Miles SW Simpson IL
Tonight
Low: 23 °F
Clear
Monday
High: 48 °F
Sunny
Monday Night
Low: 33 °F
Mostly Clear
Tuesday
High: 56 °F
Mostly Sunny
Tuesday Night
Low: 40 °F
Chance
ShowersWednesday
High: 46 °F
Chance
ShowersWednesday Night
Low: 19 °F
Mostly Cloudy
Thursday
High: 33 °F
Mostly Sunny
Thursday Night
Low: 24 °F
Mostly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 23. Calm wind.
Monday
Sunny, with a high near 48. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 33. South southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 56. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. West southwest wind 3 to 8 mph.
Wednesday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 46. Northwest wind 5 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 19. North northwest wind 9 to 13 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 33. North northwest wind 5 to 9 mph becoming light west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 24. Calm wind becoming south southwest around 6 mph after midnight.
Friday
Partly sunny, with a high near 43. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 25. Calm wind becoming west around 5 mph after midnight.
Saturday
Partly sunny, with a high near 35. West northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 18. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 32. West wind 5 to 9 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SW Simpson IL
37.44°N 88.8°W
37.44°N 88.8°W
11:07 pm CST Jan 11, 2026
11pm CST Jan 11, 2026-6pm CST Jan 18, 2026
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