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

41°F

5°C

Humidity 66%
Wind Speed N 16 G 28 mph
Barometer 30.18 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 9 Nov 11:45 am CST
Extended Forecast for

5 Miles S Marion IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm. Partly sunny, with a steady temperature around 38. Northwest wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 38 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. Northwest wind 8 to 18 mph, with gusts as high as 25 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. West northwest wind around 6 mph becoming calm.

    Low: 23 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 51. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 29 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. West wind 3 to 8 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Calm wind becoming south southwest around 5 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Partly sunny, with a steady temperature around 38. Northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 25. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 40. Northwest wind 8 to 18 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 23. West northwest wind around 6 mph becoming calm.
Veterans Day
Mostly sunny, with a high near 51. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 41. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 65. West wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 37. Calm wind.
Thursday
Mostly sunny, with a high near 63. Calm wind becoming south southwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 46. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 69. South wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 53. South wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 73. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Marion IL
 37.65°N 88.95°W
Last Update:
11:37 am CST Nov 9, 2025
Forecast Valid:
12pm CST Nov 9, 2025-6pm CST Nov 15, 2025
 
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Additional Resources

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