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.

Fair

39°F

4°C

Humidity 70%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 6 Dec 9:47 am CST
Extended Forecast for

Christopher IL

  • Today

    Today: Mostly sunny, with a high near 46. Light and variable wind.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Cloudy, with a low around 34. Light south wind.

    Low: 34 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 46. South southwest wind 5 to 10 mph becoming north in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. North wind 7 to 10 mph.

    Low: 24 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. North wind 3 to 7 mph.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. Calm wind becoming south southwest 5 to 9 mph after midnight.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers. Partly sunny, with a high near 50. West southwest wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 50 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 46. Light and variable wind.
Tonight
Cloudy, with a low around 34. Light south wind.
Sunday
Mostly cloudy, with a high near 46. South southwest wind 5 to 10 mph becoming north in the afternoon.
Sunday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. North wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 36. North wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 24. Calm wind becoming south southwest 5 to 9 mph after midnight.
Tuesday
Mostly sunny, with a high near 48. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 39. Southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 50. West southwest wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 28. Northwest wind 6 to 9 mph becoming north northeast after midnight.
Thursday
A slight chance of rain and snow showers. Mostly cloudy, with a high near 41. Northeast wind 6 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. East wind around 7 mph becoming northwest after midnight.
Friday
Partly sunny, with a high near 32. North northwest wind 7 to 10 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:
9:51 am CST Dec 6, 2025
Forecast Valid:
10am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation