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.

Overcast and Breezy

82°F

28°C

Humidity 37%
Wind Speed S 25 G 37 mph
Barometer 29.90 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 31 Mar 4:45 pm CDT
Extended Forecast for

6 Miles WNW Goreville IL

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Partly cloudy, with a low around 64. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 81. South southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

    High: 79 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 63. South southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 59. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 69. South wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 69 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Partly cloudy, with a low around 64. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Wednesday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 81. South southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm. Low around 63. South southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 59. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 69. South wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 55. North northwest wind around 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 36. North wind 6 to 9 mph.
Monday
Sunny, with a high near 61. Northeast wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 40. East wind around 6 mph becoming south southwest after midnight.
Tuesday
Sunny, with a high near 67. South wind 6 to 9 mph becoming north in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Goreville IL
 37.58°N 89.07°W
Last Update:
2:01 pm CDT Mar 31, 2026
Forecast Valid:
5pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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