National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

41°F

5°C

Humidity 76%
Wind Speed S 9 mph
Barometer 29.96 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 6 Dec 5:45 pm CST
Extended Forecast for

5 Miles NW Goreville IL

  • Tonight

    Tonight: A slight chance of drizzle after 4am. Patchy fog before midnight, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 36. South wind 3 to 5 mph.

    Low: 36 °F

    Patchy Fog
    then Slight
    Chance
    Drizzle and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of drizzle. Patchy fog before 9am. Otherwise, cloudy, with a high near 45. Light and variable wind becoming north northwest 5 to 10 mph in the morning.

    High: 45 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and midnight. Mostly cloudy, with a low around 27. North wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 5 to 8 mph becoming calm in the afternoon.

    High: 36 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. Calm wind becoming south southwest 5 to 9 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South southwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. Northwest wind around 6 mph becoming east after midnight.

    Low: 31 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
A slight chance of drizzle after 4am. Patchy fog before midnight, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 36. South wind 3 to 5 mph.
Sunday
A slight chance of drizzle. Patchy fog before 9am. Otherwise, cloudy, with a high near 45. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Sunday Night
A slight chance of rain and snow showers before 11pm, then a slight chance of snow showers between 11pm and midnight. Mostly cloudy, with a low around 27. North wind 8 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 27. Calm wind becoming south southwest 5 to 9 mph after midnight.
Tuesday
Mostly sunny, with a high near 46. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southwest wind around 15 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 50. Southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. Northwest wind around 6 mph becoming east after midnight.
Thursday
A chance of showers, mainly before noon. Mostly cloudy, with a high near 40. East wind 6 to 8 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. Northwest wind 6 to 8 mph.
Friday
Partly sunny, with a high near 30. North northwest wind around 9 mph.
Friday Night
Partly cloudy, with a low around 12. Northwest wind around 8 mph.
Saturday
Mostly sunny, with a high near 27. Northwest wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Goreville IL
 37.6°N 89.07°W
Last Update:
5:11 pm CST Dec 6, 2025
Forecast Valid:
6pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
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Additional Resources

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Chance of Precipitation