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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

67°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 5 Aug 12:15 am CDT
Extended Forecast for

Christopher IL

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 87 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 68. Light east wind.

    Low: 68 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 8am. Otherwise, sunny, with a high near 90. Light northeast wind.

    High: 90 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Light east southeast wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Southeast wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 68. Light east wind.
Wednesday
Areas of fog before 8am. Otherwise, sunny, with a high near 90. Light northeast wind.
Wednesday Night
Mostly clear, with a low around 69. Light east southeast wind.
Thursday
Sunny, with a high near 92. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 92. Calm wind becoming south southeast 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 72. Southeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 93. South wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 72. South southeast wind 3 to 6 mph.
Sunday
A slight chance of showers. Sunny, with a high near 93. South wind 5 to 7 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 3 to 6 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Christopher IL
 37.98°N 89.05°W
Last Update:
10:01 pm CDT Aug 4, 2025
Forecast Valid:
12am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation