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.

Mostly Cloudy

32°F

0°C

Humidity 47%
Wind Speed W 10 mph
Barometer 30.28 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 30 Dec 1:45 pm CST
Extended Forecast for

Spillertown IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 35. West southwest wind 7 to 9 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Southwest wind around 6 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 42. West wind 6 to 9 mph.

    High: 42 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 41. Calm wind becoming east northeast around 5 mph.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 47. Calm wind becoming northeast around 6 mph in the morning.

    High: 47 °F

    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. North northeast wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. North northeast wind 3 to 6 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 35. West southwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 27. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 42. West wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 27. Light and variable wind.
New Year's Day
Mostly sunny, with a high near 41. Calm wind becoming east northeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 32. Calm wind.
Friday
Cloudy, with a high near 47. Calm wind becoming northeast around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 27. North northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 42. North northeast wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 26. Calm wind.
Sunday
Partly sunny, with a high near 47. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 35. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 53. West southwest wind 6 to 9 mph becoming northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spillertown IL
 37.76°N 88.92°W
Last Update:
2:26 pm CST Dec 30, 2025
Forecast Valid:
2pm CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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Additional Resources

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Chance of Precipitation