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.

Partly Cloudy

37°F

3°C

Humidity 60%
Wind Speed N 3 mph
Barometer 30.25 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 4 Jan 9:45 am CST
Extended Forecast for

Crainville IL

  • Today

    Today: Increasing clouds, with a high near 45. Calm wind becoming south southeast around 5 mph.

    High: 45 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 33. Calm wind becoming south around 6 mph in the evening.

    Low: 33 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 57. South southwest wind 6 to 10 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. South wind 7 to 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. West southwest wind 6 to 10 mph.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. Southwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. Calm wind becoming south around 6 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after midnight. Mostly cloudy, with a low around 48. Calm wind becoming south around 6 mph after midnight.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. South southwest wind 6 to 9 mph.

    High: 61 °F

    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 45. Calm wind becoming south southeast around 5 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 33. Calm wind becoming south around 6 mph in the evening.
Monday
Sunny, with a high near 57. South southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 47. South wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 63. West southwest wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 41. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 61. Calm wind becoming south around 6 mph.
Wednesday Night
A chance of showers after midnight. Mostly cloudy, with a low around 48. Calm wind becoming south around 6 mph after midnight.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. South southwest wind 6 to 9 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. South wind around 8 mph.
Friday
A chance of showers. Mostly sunny, with a high near 62. South wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 36. West wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 49. West wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crainville IL
 37.76°N 89.06°W
Last Update:
9:32 am CST Jan 4, 2026
Forecast Valid:
10am CST Jan 4, 2026-6pm CST Jan 10, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation