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.

Drizzle

69°F

21°C

Humidity 98%
Wind Speed NW 6 mph
Barometer 29.69 in
Dewpoint 68°F (20°C)
Visibility 4.00 mi
Last update 2 Aug 3:15 am CDT
Extended Forecast for

5 Miles NW Goreville IL

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Cloudy, with a low around 66. Northwest wind around 10 mph.

    Low: 66 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. North northwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. North wind 5 to 9 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. North wind 5 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Light northeast wind.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Light north northeast wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Light south southeast wind.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Cloudy, with a low around 66. Northwest wind around 10 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. North northwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 66. North wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 84. North wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 64. Light northeast wind.
Tuesday
Sunny, with a high near 86. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 89. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 69. Light south southeast wind.
Thursday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. South southwest wind 3 to 7 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Light south wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind 5 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Light south wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Goreville IL
 37.6°N 89.04°W
Last Update:
1:50 am CDT Aug 2, 2026
Forecast Valid:
3am CDT Aug 2, 2026-6pm CDT Aug 8, 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