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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

52°F

11°C

Humidity 77%
Wind Speed N 10 mph
Barometer 30.39 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 17 Oct 12:16 am CDT
Extended Forecast for

3 Miles SE Crainville IL

Frost Advisory October 17, 09:00pm until October 18, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 41. North wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. North northeast wind 7 to 9 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 67 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 41. North wind 8 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 61. North northeast wind 7 to 9 mph.
Saturday Night
Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 70. Light and variable wind.
Monday Night
Mostly clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 78. Light and variable wind.
Thursday Night
Mostly clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Crainville IL
 37.71°N 89.01°W
Last Update:
11:26 pm CDT Oct 16, 2026
Forecast Valid:
12am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation