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

70°F

21°C

Humidity 73%
Wind Speed S 12 mph
Barometer 29.99 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 May 6:47 am CDT
Extended Forecast for

5 Miles W Goreville IL

  • Today

    Today: Sunny, with a high near 86. South wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 86 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. South southwest wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 63. South southwest wind 5 to 9 mph becoming calm. Chance of precipitation is 90%.

    Low: 63 °F

    T-storms then
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 73. North wind around 9 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 55. North northeast wind 6 to 9 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 73. Northeast wind around 8 mph.

    High: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 86. South wind 8 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 69. South wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind 11 to 14 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. South southwest wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 63. South southwest wind 5 to 9 mph becoming calm. Chance of precipitation is 90%.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 73. North wind around 9 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 55. North northeast wind 6 to 9 mph.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 73. Northeast wind around 8 mph.
Thursday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 57. East northeast wind 3 to 7 mph.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. East northeast wind 3 to 6 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 60. East northeast wind around 6 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Light and variable wind becoming south southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Goreville IL
 37.56°N 89.07°W
Last Update:
6:01 am CDT May 17, 2026
Forecast Valid:
7am CDT May 17, 2026-6pm CDT May 23, 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