Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
41°F
5°C
| Humidity | 71% |
| Wind Speed | NW 13 G 17 mph |
| Barometer | 30.23 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 12 Mar 12:55 am CDT |
Extended Forecast for
3 Miles SW Tunnel Hill IL
Overnight

Low: 33 °F
Gradual
ClearingThursday

High: 53 °F
Sunny
Thursday Night
Low: 41 °F
Mostly Clear
then Mostly
Clear and
BreezyFriday

High: 62 °F
Mostly Sunny
Friday Night

Low: 39 °F
Partly Cloudy
Saturday

High: 66 °F
Mostly Sunny
Saturday Night

Low: 52 °F
Partly Cloudy
Sunday

High: 69 °F
Showers
Likely and
BreezySunday Night
Low: 28 °F
Showers
Likely and
Breezy then
Rain/Snow
Likely and
Blustery
Detailed Forecast
Overnight
Mostly cloudy early, then gradual clearing, with a low around 33. North wind 13 to 16 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 53. North wind around 7 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 41. Breezy, with a south southwest wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 29 mph.
Friday
Mostly sunny, with a high near 62. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 39. West northwest wind around 6 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 66. East northeast wind 7 to 9 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 52. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 13 to 22 mph, with gusts as high as 37 mph.
Sunday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 28. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 39. Northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 19. North northwest wind 5 to 11 mph.
Tuesday
Mostly sunny, with a high near 42. North northwest wind 5 to 8 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 31. South wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 55. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles SW Tunnel Hill IL
37.53°N 88.93°W
37.53°N 88.93°W
11:21 pm CDT Mar 11, 2026
12am CDT Mar 12, 2026-6pm CDT Mar 18, 2026



