Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
63°F
17°C
| Humidity | 77% |
| Wind Speed | S 7 mph |
| Barometer | 30.00 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 12 Oct 1:55 am CDT |
Extended Forecast for
Colp IL
Overnight

Low: 62 °F
Partly Cloudy
Columbus Day

High: 90 °F
Becoming
SunnyMonday Night

Low: 66 °F
Mostly Clear
Tuesday

High: 92 °F
Sunny
Tuesday Night
Low: 71 °F
Clear then
Chance
ShowersWednesday
High: 85 °F
Showers
Likely then
ShowersWednesday Night

Low: 66 °F
Showers
LikelyThursday

High: 84 °F
Showers
LikelyThursday Night
Low: 55 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
Overnight
Partly cloudy, with a low around 62. South southwest wind around 6 mph.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 90. Southwest wind 6 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 66. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 92. Southwest wind 7 to 10 mph.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 71. South southwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday
Showers and possibly a thunderstorm. High near 85. Southwest wind 5 to 7 mph. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. West northwest wind 5 to 14 mph.
Friday
Mostly sunny, with a high near 66. Breezy, with a north northwest wind 18 to 21 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 40. North wind 8 to 16 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 62. Northeast wind 7 to 9 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 69. Calm wind becoming south around 6 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Colp IL
37.81°N 89.08°W
37.81°N 89.08°W
1:26 am CDT Oct 12, 2026
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026


