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

79°F

26°C

Humidity 39%
Wind Speed SW 7 mph
Barometer 29.99 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 7 Oct 11:45 am CDT
Extended Forecast for

2 Miles ENE Frankfort Heights IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. West southwest wind around 9 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. South southwest wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Thursday

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

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. Calm wind.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Light south southeast wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83. Light south southeast wind becoming southeast 6 to 11 mph in the morning.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Mostly cloudy, with a low around 61. East wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 1pm. Partly sunny, with a high near 76. Northeast wind 10 to 14 mph becoming west northwest in the afternoon.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 87. West southwest wind around 9 mph.
Tonight
Clear, with a low around 58. South southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 56. Calm wind.
Friday
Sunny, with a high near 88. Calm wind becoming south southeast 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 61. Light south southeast wind.
Saturday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83. Light south southeast wind becoming southeast 6 to 11 mph in the morning.
Saturday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Mostly cloudy, with a low around 61. East wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 76. Northeast wind 10 to 14 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. West southwest wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 61. South wind around 6 mph.
Tuesday
Sunny, with a high near 79. West wind 5 to 14 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Frankfort Heights IL
 37.93°N 88.82°W
Last Update:
12:31 pm CDT Oct 7, 2026
Forecast Valid:
12pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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Chance of Precipitation