Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
72°F
22°C
| Humidity | 100% |
| Wind Speed | SE 6 mph |
| Barometer | 30.03 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 2.00 mi |
| Last update | 15 Oct 6:45 am CDT |
Extended Forecast for
3 Miles SE Tunnel Hill IL
Dense Fog Advisory until October 15, 08:00am
NOW until 8:00am Thu
Dense Fog Advisory
Today
High: 86 °F
Showers
Likely then
Chance
T-stormsTonight

Low: 52 °F
Chance
ShowersFriday
High: 54 °F
Chance
Showers then
Partly SunnyFriday Night

Low: 43 °F
Mostly Cloudy
Saturday

High: 59 °F
Sunny
Saturday Night

Low: 36 °F
Clear
Sunday

High: 65 °F
Sunny
Sunday Night

Low: 41 °F
Mostly Clear
Detailed Forecast
Today
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 9am, then a chance of showers and thunderstorms after 9am. Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 5am. Partly cloudy, with a low around 52. South southwest wind 8 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers before 7am. Mostly cloudy, with a steady temperature around 54. Northwest wind around 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 43. North wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 59. North northeast wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 65. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 41. Calm wind.
Monday
Sunny, with a high near 68. Calm wind becoming south southeast around 5 mph.
Monday Night
Partly cloudy, with a low around 46. Calm wind.
Tuesday
Mostly sunny, with a high near 72. Light east southeast wind.
Tuesday Night
Mostly clear, with a low around 47. Calm wind.
Wednesday
Sunny, with a high near 75. Light east southeast wind.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Tunnel Hill IL
37.53°N 88.85°W
37.53°N 88.85°W
5:41 am CDT Oct 15, 2026
7am CDT Oct 15, 2026-6pm CDT Oct 21, 2026



