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.

Fair

46°F

8°C

Humidity 76%
Wind Speed SW 3 mph
Barometer 30.12 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Nov 12:15 am CST
Extended Forecast for

3 Miles WNW Tunnel Hill IL

  • Overnight

    Overnight: Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 67. Calm wind.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. Light southwest wind.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Calm wind becoming southwest around 5 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Light south southwest wind.

    Low: 48 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 30 percent chance of showers after noon. Mostly sunny, with a high near 69. Light south southwest wind increasing to 5 to 9 mph in the morning.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 47. North northwest wind 6 to 14 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 54. North northwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 54 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. North northwest wind 7 to 10 mph.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 41. Calm wind.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 67. Calm wind.
Monday Night
Clear, with a low around 46. Light southwest wind.
Tuesday
Sunny, with a high near 69. Calm wind becoming southwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 48. Light south southwest wind.
Veterans Day
A 30 percent chance of showers after noon. Mostly sunny, with a high near 69. Light south southwest wind increasing to 5 to 9 mph in the morning.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 47. North northwest wind 6 to 14 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 54. North northwest wind 11 to 16 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 35. North northwest wind 7 to 10 mph.
Friday
Mostly sunny, with a high near 47. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 31. Light north northwest wind.
Saturday
Sunny, with a high near 52. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 35. Calm wind.
Sunday
Sunny, with a high near 60. Calm wind becoming southwest around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Tunnel Hill IL
 37.58°N 88.93°W
Last Update:
9:16 pm CST Nov 8, 2026
Forecast Valid:
12am CST Nov 9, 2026-6pm CST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

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