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

77°F

25°C

Humidity 34%
Wind Speed S 12 G 18 mph
Barometer 30.19 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 9 Apr 4:47 pm CDT
Extended Forecast for

3 Miles S Crainville IL

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind around 8 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 77. South wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Southeast wind 3 to 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. South southwest wind 6 to 15 mph, with gusts as high as 28 mph.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 82 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. South wind around 8 mph.
Friday
A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 77. South wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 61. Southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 80. South southwest wind 6 to 15 mph, with gusts as high as 28 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 70. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 11 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southwest wind 6 to 9 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Crainville IL
 37.72°N 89.06°W
Last Update:
5:26 pm CDT Apr 9, 2026
Forecast Valid:
5pm CDT Apr 9, 2026-6pm CDT Apr 16, 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