Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

81°F

27°C

Humidity 79%
Wind Speed S 9 mph
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Oct 12:45 pm CDT
Extended Forecast for

5 Miles S Marion IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 87. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Increasing clouds, with a low around 49. West southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 7am.  Cloudy, then gradually becoming mostly sunny, with a high near 59. Northwest wind 16 to 18 mph, with gusts as high as 29 mph.

    High: 59 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. North wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. North northeast wind 7 to 10 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am.  Otherwise, clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am.  Otherwise, sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the morning.

    High: 66 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 49. West southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Friday
A 10 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 59. Northwest wind 16 to 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 41. North wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 60. North northeast wind 7 to 10 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 39. Calm wind.
Monday
Sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 74. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Wednesday
Sunny, with a high near 77. Light and variable wind.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Marion IL
 37.65°N 88.95°W
12:41 pm CDT Oct 15, 2026
1pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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