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.

Fair

63°F

17°C

Humidity 56%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 28 Sep 8:35 pm CDT
Extended Forecast for

Crainville IL

  • Tonight

    Tonight: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Light southeast wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Light south southeast wind becoming south 5 to 9 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. South southeast wind 5 to 9 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 89. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. North northwest wind 5 to 9 mph becoming northeast in the morning.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind 3 to 6 mph.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 54. Calm wind.
Tuesday
Sunny, with a high near 84. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 61. Light southeast wind.
Wednesday
Mostly sunny, with a high near 88. Light south southeast wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 70. South southeast wind 5 to 9 mph.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 89. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. North northwest wind 5 to 9 mph becoming northeast in the morning.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind 3 to 6 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 73. Northeast wind 5 to 7 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Light north northeast wind.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. North wind 5 to 9 mph.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 55. North wind around 6 mph.
Monday
Mostly sunny, with a high near 70. North northeast wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crainville IL
 37.76°N 89.06°W
Last Update:
6:21 pm CDT Sep 28, 2026
Forecast Valid:
8pm CDT Sep 28, 2026-6pm CDT Oct 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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