Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fog/Mist

71°F

22°C

Humidity 99%
Wind Speed N 3 mph
Barometer 30.04 in
Dewpoint 71°F (22°C)
Visibility 4.00 mi
Last update 12 Jul 12:15 am CDT
Extended Forecast for

Spillertown IL

Flood Watch July 12, 12:23am until July 12, 01:00am
Click here for hazard details and duration
...
  •  
    Flood Watch July 12, 12:23am until July 12, 01:00am

    NOW until 1:00am Sun

    Flood Watch

  • Overnight

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly sunny, with a high near 85. North northeast wind 6 to 10 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. North wind 3 to 8 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. North northeast wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. North northeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 88. Light northeast wind becoming east northeast 5 to 9 mph in the morning.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. East wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 71. Calm wind becoming north around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 85. North northeast wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 68. North wind 3 to 8 mph.
Monday
Sunny, with a high near 86. North northeast wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 69. North northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Light northeast wind becoming east northeast 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 72. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny, with a high near 93. Calm wind becoming west 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 74. Light southwest wind.
Saturday
Sunny, with a high near 94. Calm wind becoming west southwest 5 to 8 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Spillertown IL
 37.76°N 88.92°W
11:11 pm CDT Jul 11, 2026
12am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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