Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Light Rain

46°F

8°C

Humidity 82%
Wind Speed NW 3 mph
Barometer 29.82 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 14 Jan 12:15 am CST
Extended Forecast for

2 Miles SSE Tunnel Hill IL

  • Overnight

    Overnight: Showers likely, mainly before 3am.  Cloudy, with a low around 42. West wind around 6 mph.  Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers between 7am and 8am.  Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 32 by 5pm. North northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. North northwest wind 6 to 15 mph, with gusts as high as 28 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 31. Northwest wind around 6 mph becoming light and variable  in the afternoon.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 24. Light south southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph.

    Low: 24 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 45. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. West northwest wind 7 to 9 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13. Northwest wind around 7 mph.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 3am. Cloudy, with a low around 42. West wind around 6 mph. Chance of precipitation is 70%.
Wednesday
A slight chance of showers between 7am and 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 32 by 5pm. North northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 19. North northwest wind 6 to 15 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 31. Northwest wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 24. Light south southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 45. West wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 22. West northwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 29. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 13. Northwest wind around 7 mph.
Sunday
Sunny, with a high near 30. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 18. West southwest wind 6 to 8 mph.
M.L.King Day
Sunny, with a high near 35. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 13. North northwest wind around 6 mph.
Tuesday
Sunny, with a high near 32. North northwest wind 5 to 7 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Tunnel Hill IL
 37.53°N 88.85°W
8:16 pm CST Jan 13, 2026
12am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
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