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.

Fair

21°C

70°F

Humidity 38%
Wind Speed SE 19 km/h
Barometer 29.89 in
Dewpoint 6°C (43°F)
Visibility 16 km
Last update 14 Mar 5:45 pm CDT
Extended Forecast for

Christopher IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Increasing clouds, with a low around 13. South wind 13 to 18 km/h increasing to 19 to 24 km/h after midnight. Winds could gust as high as 40 km/h.

    Low: 13 °C

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 21. Breezy, with a south wind 32 to 37 km/h increasing to 42 to 47 km/h in the afternoon. Winds could gust as high as 65 km/h. Chance of precipitation is 60%.

    High: 21 °C

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 10pm, then rain, possibly mixed with snow showers between 10pm and 1am, then a slight chance of snow showers after 1am. Some thunder is also possible. Low around -4. Breezy, with a west wind 37 to 40 km/h, with gusts as high as 65 km/h. Chance of precipitation is 90%. New snow accumulation of less than one centimeter possible.

    Low: -4 °C

    Rain/Snow and
    Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 1. Breezy, with a west northwest wind 35 to 37 km/h, with gusts as high as 60 km/h.

    High: 1 °C

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around -9. West northwest wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 42 km/h.

    Low: -9 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 4. Northwest wind around 11 km/h becoming west southwest in the afternoon.

    High: 4 °C

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around -1. South wind 8 to 13 km/h increasing to 18 to 23 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: -1 °C

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 17. South wind 21 to 26 km/h, with gusts as high as 39 km/h.

    High: 17 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. South southwest wind 8 to 13 km/h.

    Low: 5 °C

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 13. South wind 13 to 18 km/h increasing to 19 to 24 km/h after midnight. Winds could gust as high as 40 km/h.
Sunday
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 21. Breezy, with a south wind 32 to 37 km/h increasing to 42 to 47 km/h in the afternoon. Winds could gust as high as 65 km/h. Chance of precipitation is 60%.
Sunday Night
Rain showers before 10pm, then rain, possibly mixed with snow showers between 10pm and 1am, then a slight chance of snow showers after 1am. Some thunder is also possible. Low around -4. Breezy, with a west wind 37 to 40 km/h, with gusts as high as 65 km/h. Chance of precipitation is 90%. New snow accumulation of less than one centimeter possible.
Monday
Mostly cloudy, with a high near 1. Breezy, with a west northwest wind 35 to 37 km/h, with gusts as high as 60 km/h.
Monday Night
Mostly clear, with a low around -9. West northwest wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 42 km/h.
Tuesday
Sunny, with a high near 4. Northwest wind around 11 km/h becoming west southwest in the afternoon.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around -1. South wind 8 to 13 km/h increasing to 18 to 23 km/h after midnight. Winds could gust as high as 35 km/h.
Wednesday
Mostly sunny, with a high near 17. South wind 21 to 26 km/h, with gusts as high as 39 km/h.
Wednesday Night
Partly cloudy, with a low around 5. South southwest wind 8 to 13 km/h.
Thursday
Sunny, with a high near 22. Southwest wind 8 to 11 km/h.
Thursday Night
Partly cloudy, with a low around 8. South wind around 8 km/h.
Friday
Sunny, with a high near 23. South wind 8 to 13 km/h becoming west in the afternoon.
Friday Night
Partly cloudy, with a low around 9. West wind around 11 km/h.
Saturday
Mostly sunny, with a high near 25. West northwest wind 13 to 16 km/h.
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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:
6:12 pm CDT Mar 14, 2026
Forecast Valid:
6pm CDT Mar 14, 2026-6pm CDT Mar 21, 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