National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

84°F

29°C

Humidity 58%
Wind Speed N 9 mph
Barometer 30.04 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 22 Aug 1:45 pm CDT
Extended Forecast for

2 Miles W Marion IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. North northwest wind around 11 mph, with gusts as high as 18 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. North wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 10%.

    High: 87 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Light east wind.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. North northwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 62. Calm wind.
Monday
Mostly sunny, with a high near 85. Light and variable wind.
Monday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Tuesday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 10%.
Tuesday Night
Partly cloudy, with a low around 66. Light east wind.
Wednesday
Mostly sunny, with a high near 89. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 66. Light north wind.
Friday
Sunny, with a high near 89. Calm wind becoming north around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Marion IL
 37.74°N 88.98°W
Last Update:
1:26 pm CDT Aug 22, 2026
Forecast Valid:
2pm CDT Aug 22, 2026-6pm CDT Aug 28, 2026
 
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