Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

72°F

22°C

Humidity 75%
Wind Speed S 5 mph
Barometer 29.96 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 10:35 pm CDT
Extended Forecast for

2 Miles W Logan IL

Flood Watch June 21, 01:00pm until June 22, 07:00am
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Increasing clouds, with a high near 88. Light southeast wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 70%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Some of the storms could produce heavy rainfall.  Low around 70. South wind 11 to 18 mph becoming west southwest in the evening. Winds could gust as high as 25 mph.  Chance of precipitation is 100%.

    Low: 70 °F

    Heavy Rain
    then Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 81. West southwest wind 9 to 11 mph becoming northwest in the afternoon.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming light  in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 66. Calm wind.
Sunday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 88. Light southeast wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Some of the storms could produce heavy rainfall. Low around 70. South wind 11 to 18 mph becoming west southwest in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Monday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. West southwest wind 9 to 11 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming light in the evening.
Tuesday
Mostly sunny, with a high near 82. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Light and variable wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. Light north wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light south wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Light south wind becoming south southwest 5 to 10 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Logan IL
 37.93°N 88.88°W
9:31 pm CDT Jun 20, 2026
10pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
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Additional Resources

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