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

63°F

17°C

Humidity 83%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 4 Oct 5:15 am CDT
Extended Forecast for

2 Miles ESE Frankfort Heights IL

  • Today

    Today: Sunny, with a high near 86. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. South southeast wind 3 to 5 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 83. South southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 57. North wind 6 to 8 mph.

    Low: 57 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Northeast wind 9 to 13 mph.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming south southeast 5 to 8 mph in the morning.
Tonight
Clear, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Light southeast wind becoming south 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 64. South southeast wind 3 to 5 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. South southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 57. North wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 73. Northeast wind 9 to 13 mph.
Wednesday Night
Mostly clear, with a low around 50. Northeast wind 6 to 8 mph.
Thursday
Sunny, with a high near 72. East northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 48. Light east wind.
Friday
Sunny, with a high near 76. Calm wind becoming south 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Frankfort Heights IL
 37.89°N 88.83°W
Last Update:
4:45 am CDT Oct 4, 2025
Forecast Valid:
5am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation