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

77°F

25°C

Humidity 42%
Wind Speed S 16 G 28 mph
Barometer 30.01 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Apr 4:45 pm CDT
Extended Forecast for

6 Miles WNW Goreville IL

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 65. South southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. South southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southwest wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. South wind 5 to 7 mph.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 65. South southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Monday
A 20 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. South southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Tuesday
Partly sunny, with a high near 84. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 67. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southwest wind 11 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 63. South wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 86. South wind 6 to 11 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. South wind around 11 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. West wind around 11 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 62. North northwest wind around 10 mph, with gusts as high as 20 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:
5:17 pm CDT Apr 12, 2026
Forecast Valid:
5pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation