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.

Overcast

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 11 Sep 1:47 pm CDT
Extended Forecast for

Christopher IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Southeast wind around 6 mph.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming west around 6 mph in the afternoon.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Northeast wind 3 to 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 90. East northeast wind 7 to 9 mph becoming southeast in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Southeast wind around 6 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. South southwest wind 5 to 10 mph.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Southeast wind around 6 mph.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 66. Northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 90. East northeast wind 7 to 9 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 68. Southeast wind around 6 mph.
Tuesday
Sunny, with a high near 94. South southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 71. Light south wind.
Wednesday
Sunny, with a high near 94. South southwest wind 3 to 8 mph.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 71. Light south southeast wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 5 to 9 mph becoming northwest in the afternoon.
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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:
1:45 pm CDT Sep 11, 2026
Forecast Valid:
1pm CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation