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.

Fog/Mist

40°F

4°C

Humidity 96%
Wind Speed E 5 mph
Barometer 30.20 in
Dewpoint 38°F (3°C)
Visibility 3.00 mi
Wind Chill36°F (2°C)
Last update 2 Mar 8:55 pm CST
Extended Forecast for

6 Miles WNW Goreville IL

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 3am. Areas of fog before 5am. Otherwise, cloudy, with a low around 40. Light east wind. Chance of precipitation is 50%.

    Low: 40 °F

    Areas Fog
    then Chance
    Showers and
    Areas Fog

  • Tuesday

    Tuesday: A chance of showers before 3pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 67. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. South wind 8 to 10 mph. Chance of precipitation is 70%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 71. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 60. South wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly sunny, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 78 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after midnight. Partly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 3am. Areas of fog before 5am. Otherwise, cloudy, with a low around 40. Light east wind. Chance of precipitation is 50%.
Tuesday
A chance of showers before 3pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 67. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. South wind 8 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 71. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 60. South wind 6 to 8 mph. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly sunny, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Friday Night
A chance of showers, mainly after midnight. Partly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 21 mph.
Saturday
Showers and possibly a thunderstorm. Cloudy, with a high near 70. South southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming northwest in the evening.
Sunday
A chance of showers. Mostly cloudy, with a high near 66. Southwest wind 5 to 7 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. South southwest wind around 6 mph.
Monday
A chance of showers. Mostly sunny, with a high near 69. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Goreville IL
 37.58°N 89.07°W
Last Update:
7:32 pm CST Mar 2, 2026
Forecast Valid:
9pm CST Mar 2, 2026-6pm CDT Mar 9, 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