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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 6 Mar 1:55 am CST
Extended Forecast for

Christopher IL

Dense Fog Advisory until March 6, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 6, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 59 °F

    Patchy Dense
    Fog

  • Friday

    Friday: A slight chance of showers and thunderstorms between 1pm and 2pm. Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 80. South wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 80 °F

    Patchy Dense
    Fog then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 62. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. High near 73. South southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%.

    High: 73 °F

    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the morning.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. South southwest wind 3 to 6 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after noon. Mostly sunny, with a high near 75. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, partly cloudy, with a low around 59. Light south southeast wind.
Friday
A slight chance of showers and thunderstorms between 1pm and 2pm. Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 80. South wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 62. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. High near 73. South southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph becoming light after midnight.
Sunday
Sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 48. South southwest wind 3 to 6 mph.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 75. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers, mainly after midnight. Partly cloudy, with a low around 60. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 59. South southwest wind 15 to 17 mph, with gusts as high as 29 mph.
Wednesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 70. Southwest wind 15 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 39. North wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 57. Northeast wind 8 to 11 mph, with gusts as high as 18 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:
1:36 am CST Mar 6, 2026
Forecast Valid:
2am CST Mar 6, 2026-6pm CDT Mar 12, 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