Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

75°F

24°C

Humidity 34%
Wind Speed SW 17 mph
Barometer 30.13 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 Apr 1:45 pm CDT
Extended Forecast for

Christopher IL

Lake Wind Advisory until April 21, 09:00pm
Click here for hazard details and duration
Lake Wind Advisory
  •  
    Lake Wind Advisory until April 21, 09:00pm

    NOW until 9:00pm Tue

    Lake Wind Advisory

  • This Afternoon

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 54. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. South wind around 6 mph.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am.  High near 77. South wind 10 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. South southwest wind 13 to 17 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 54. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 78. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Clear, with a low around 56. South wind around 6 mph.
Thursday
Sunny, with a high near 81. South wind 6 to 16 mph, with gusts as high as 23 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind around 11 mph, with gusts as high as 20 mph.
Friday
Showers, with thunderstorms also possible after 10am. High near 77. South wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers. Mostly sunny, with a high near 78. North wind 5 to 8 mph.
Saturday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 54. East northeast wind 3 to 5 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. East wind 5 to 9 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. East southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. South wind 13 to 15 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Christopher IL
 37.98°N 89.05°W
1:26 pm CDT Apr 21, 2026
2pm CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
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Additional Resources

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