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

54°F

12°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 29.99 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 7 Oct 1:15 am CDT
Extended Forecast for

4 Miles N Pittsburg IL

  • Overnight

    Overnight: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming west southwest 5 to 9 mph in the morning.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57. South southwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Light north northeast wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Southeast wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Light east southeast wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 5 to 11 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 58. East southeast wind around 7 mph.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 50. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming west southwest 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 57. South southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 53. Light north northeast wind.
Friday
Sunny, with a high near 84. Southeast wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 57. Light east southeast wind.
Saturday
Mostly sunny, with a high near 86. South wind 5 to 11 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 58. East southeast wind around 7 mph.
Sunday
A chance of showers. Partly sunny, with a high near 76. East southeast wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 81. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 58. East wind around 5 mph becoming light and variable.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82. South southwest wind 5 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Pittsburg IL
 37.82°N 88.86°W
Last Update:
11:36 pm CDT Oct 6, 2026
Forecast Valid:
1am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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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