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.

A Few Clouds

70°F

21°C

Humidity 60%
Wind Speed S 12 mph
Barometer 29.69 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Feb 1:45 pm CST
Extended Forecast for

Christopher IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. Southwest wind 6 to 8 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. South wind around 6 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 70. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 9pm. Mostly clear, with a low around 41. Southwest wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. West wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. North wind 3 to 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 48. North northwest wind 6 to 10 mph.

    High: 48 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 41. Northwest wind 11 to 17 mph, with gusts as high as 24 mph.

    High: 41 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. Southwest wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 54. South wind around 6 mph.
Thursday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 70. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers before 9pm. Mostly clear, with a low around 41. Southwest wind 11 to 14 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 55. West wind 6 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 33. North wind 3 to 6 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 48. North northwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 41. Northwest wind 11 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 21. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 40. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 20. Light and variable wind.
Tuesday
Mostly sunny, with a high near 48. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Christopher IL
 37.96°N 89.05°W
Last Update:
12:21 pm CST Feb 18, 2026
Forecast Valid:
1pm CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation