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

49°F

9°C

Humidity 96%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 6 Jan 10:15 pm CST
Extended Forecast for

Christopher IL

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 58 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 44. South southeast wind 3 to 6 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 3pm. High near 65. South southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    High: 65 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 55. South southwest wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 62. West southwest wind 7 to 10 mph becoming north northeast in the afternoon.

    High: 62 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 44. Northeast wind 6 to 9 mph becoming west northwest after midnight.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 50. West northwest wind 10 to 16 mph, with gusts as high as 22 mph.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. West wind around 10 mph.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Calm wind.
Wednesday
Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 44. South southeast wind 3 to 6 mph.
Thursday
Showers, with thunderstorms also possible after 3pm. High near 65. South southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 55. South southwest wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 62. West southwest wind 7 to 10 mph becoming north northeast in the afternoon.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44. Northeast wind 6 to 9 mph becoming west northwest after midnight.
Saturday
Partly sunny, with a high near 50. West northwest wind 10 to 16 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 28. West wind around 10 mph.
Sunday
Mostly sunny, with a high near 38. West northwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 25. West northwest wind around 5 mph becoming light and variable.
Monday
Sunny, with a high near 47. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 31. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 49. West southwest wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Christopher IL
 37.98°N 89.05°W
Last Update:
10:06 pm CST Jan 6, 2026
Forecast Valid:
10pm CST Jan 6, 2026-6pm CST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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