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Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
78°F
26°C
| Humidity | 91% |
| Wind Speed | SW 7 mph |
| Barometer | 29.70 in |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 18 Jun 5:15 am CDT |
Extended Forecast for
4 Miles NW Tunnel Hill IL
Overnight
Low: 73 °F
Chance
ShowersThursday
High: 83 °F
Chance
Showers then
Mostly SunnyThursday Night
Low: 63 °F
Partly Cloudy
Juneteenth
High: 81 °F
Mostly Sunny
Friday Night
Low: 64 °F
Partly Cloudy
Saturday
High: 83 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Mostly Clear
then Slight
Chance
T-stormsSunday
High: 82 °F
Showers
LikelySunday Night
Low: 67 °F
Showers
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind around 7 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 83. West southwest wind around 6 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 63. North northwest wind around 5 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 81. Light north wind.
Friday Night
Partly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Calm wind.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 67. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 78. North northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 61. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 79. North northeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Light and variable wind.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NW Tunnel Hill IL
37.6°N 88.93°W
37.6°N 88.93°W
2:01 am CDT Jun 18, 2026
5am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
Additional Resources
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Hourly Weather Forecast
