National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fog/Mist

56°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 55°F (13°C)
Visibility 1.25 mi
Last update 29 Aug 5:15 am CDT
Extended Forecast for

Christopher IL

  • Today

    Today: Increasing clouds, with a high near 87. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 57. East northeast wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Northeast wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. East northeast wind 3 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. East northeast wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. East northeast wind 3 to 8 mph.

    Low: 58 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 84. East northeast wind 3 to 7 mph.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Northeast wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Calm wind becoming east around 6 mph in the morning.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 87. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. East northeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 87. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 58. East northeast wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 85. East northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 58. East northeast wind 3 to 8 mph.
Labor Day
Partly sunny, with a high near 84. East northeast wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 59. Northeast wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Calm wind becoming east around 6 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 85. Light west northwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 56. Northwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 74. Northwest wind 7 to 13 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Christopher IL
 37.98°N 89.05°W
Last Update:
4:31 am CDT Aug 29, 2025
Forecast Valid:
5am CDT Aug 29, 2025-6pm CDT Sep 4, 2025
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation