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.

Partly Cloudy

65°F

18°C

Humidity 99%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 23 Aug 4:55 am CDT
Extended Forecast for

3 Miles SW Christopher IL

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 84. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Light and variable wind.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Light east wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Light east wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. Light west wind becoming north northwest 5 to 10 mph in the morning.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 84. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 60. Light and variable wind.
Monday
Mostly sunny, with a high near 84. Light and variable wind.
Monday Night
Partly cloudy, with a low around 62. Light east wind.
Tuesday
Sunny, with a high near 86. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Light east wind.
Wednesday
Mostly sunny, with a high near 89. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind.
Thursday
Sunny, with a high near 89. Light west wind becoming north northwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 66. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Christopher IL
 37.94°N 89.08°W
Last Update:
3:01 am CDT Aug 23, 2026
Forecast Valid:
5am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
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