Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

77°F

25°C

Humidity 72%
Wind Speed SE 3 mph
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 5 Aug 7:55 pm CDT
Extended Forecast for

2 Miles ESE Frankfort Heights IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between noon and 1pm.  Mostly cloudy, with a high near 88. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 88 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 60%.

    Low: 71 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 90. South southwest wind 3 to 8 mph.  Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Light south southwest wind.

    Low: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Mostly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Light south wind becoming south southwest 5 to 10 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South wind 5 to 8 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 70. Light south southeast wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between noon and 1pm. Mostly cloudy, with a high near 88. Calm wind becoming south southeast 5 to 7 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South southwest wind 3 to 8 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light south southwest wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Mostly sunny, with a high near 93. Light south wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 74. South wind 5 to 8 mph.
Monday
Sunny, with a high near 95. South southwest wind 7 to 13 mph.
Monday Night
Mostly clear, with a low around 75. South southwest wind 9 to 13 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95. West southwest wind 9 to 11 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind 6 to 9 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind 6 to 8 mph becoming north northwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Frankfort Heights IL
 37.89°N 88.83°W
7:56 pm CDT Aug 5, 2026
8pm CDT Aug 5, 2026-6pm CDT Aug 12, 2026
 
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Additional Resources

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