Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Light Drizzle Fog/Mist

55°F

13°C

Humidity 88%
Wind Speed N 9 mph
Barometer 30.11 in
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Wind Chill53°F (12°C)
Last update 16 Oct 5:15 am CDT
Extended Forecast for

4 Miles NNW Tunnel Hill IL

  • Overnight

    Overnight: A 30 percent chance of showers.  Cloudy, with a steady temperature around 57. North northwest wind around 9 mph, with gusts as high as 30 mph.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 7am.  Cloudy during the morning, then mostly sunny during the afternoon, with a high near 56. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 56 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. North wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. North northeast wind 8 to 10 mph.

    High: 58 °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: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 64. Calm wind becoming southeast around 5 mph in the morning.

    High: 64 °F

    Frost then
    Sunny

  • Sunday Night

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

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming south around 5 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers. Cloudy, with a steady temperature around 57. North northwest wind around 9 mph, with gusts as high as 30 mph.
Friday
A 10 percent chance of showers before 7am. Cloudy during the morning, then mostly sunny during the afternoon, with a high near 56. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 41. North wind 11 to 14 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 58. North northeast wind 8 to 10 mph.
Saturday Night
Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 64. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 40. Calm wind.
Monday
Sunny, with a high near 69. Calm wind becoming south around 5 mph.
Monday Night
Mostly clear, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 73. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 75. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 78. Calm wind becoming south around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Tunnel Hill IL
 37.6°N 88.9°W
4:31 am CDT Oct 16, 2026
5am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
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Additional Resources

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