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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

68°F

20°C

Humidity 78%
Wind Speed N 2 mph
Barometer 30.23 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Sep 10:35 pm CDT
Extended Forecast for

Crainville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. North northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. Light east southeast wind.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. Calm wind.
Friday
Mostly sunny, with a high near 79. Calm wind becoming north northeast 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 58. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 58. Calm wind.
Sunday
Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 55. Calm wind.
Monday
Sunny, with a high near 80. Light east southeast wind.
Monday Night
Mostly clear, with a low around 59. Calm wind.
Tuesday
Mostly sunny, with a high near 83. Light southeast wind becoming south 5 to 9 mph in the morning.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 67. South southeast wind 6 to 13 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 82. South southwest wind 14 to 16 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65. South southwest wind 5 to 7 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 80. Southwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Crainville IL
 37.76°N 89.06°W
Last Update:
10:15 pm CDT Sep 24, 2026
Forecast Valid:
10pm CDT Sep 24, 2026-6pm CDT Oct 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation