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Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Partly Cloudy
82°F
28°C
| Humidity | 74% |
| Wind Speed | S 14 mph |
| Barometer | 29.76 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 21 Jun 4:45 pm CDT |
Extended Forecast for
3 Miles SE Sesser IL
Flood Watch until June 22, 07:00am
Tornado Watch until June 21, 09:00pm
Lake Wind Advisory until June 21, 07:00pm
NOW: Multiple hazards in effect

Click HERE for Details
This Afternoon

High: 81 °F
Chance
T-stormsTonight
Low: 69 °F
Heavy Rain
then Showers
LikelyMonday
High: 79 °F
Slight Chance
T-storms then
Partly SunnyMonday Night

Low: 63 °F
Mostly Clear
Tuesday

High: 83 °F
Sunny
Tuesday Night

Low: 64 °F
Mostly Clear
Wednesday
High: 86 °F
Mostly Sunny
then Chance
T-stormsWednesday Night

Low: 69 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 81. Southwest wind around 7 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall. Low around 69. South southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms, mainly between 8am and 9am. Mostly cloudy, with a high near 79. North northwest wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 63. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Light and variable wind.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Light and variable wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind 5 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Sesser IL
38.07°N 89.01°W
38.07°N 89.01°W
4:06 pm CDT Jun 21, 2026
4pm CDT Jun 21, 2026-6pm CDT Jun 27, 2026



