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.

Partly Cloudy

81°F

27°C

Humidity 51%
Wind Speed S 12 mph
Barometer 29.92 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 15 Apr 3:45 pm CDT
Extended Forecast for

2 Miles SSW Goreville IL

  • This Afternoon

    This Afternoon: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 84. South southwest wind around 15 mph, with gusts as high as 28 mph.

    High: 84 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 63. South southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Slight Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 60. South southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 60. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. South southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 41. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 84. South southwest wind around 15 mph, with gusts as high as 28 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 63. South southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Thursday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 60. South southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 60. South wind around 11 mph, with gusts as high as 22 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. South southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 41. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 42. North northwest wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 71. South wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 49. South wind around 6 mph.
Tuesday
Sunny, with a high near 76. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Goreville IL
 37.54°N 88.99°W
Last Update:
4:16 pm CDT Apr 15, 2026
Forecast Valid:
4pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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