Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
43°F
6°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.14 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 2 May 10:15 pm CDT |
Extended Forecast for
2 Miles ESE Herrin IL
Tonight
Low: 39 °F
Clear
Sunday
High: 71 °F
Sunny
Sunday Night
Low: 56 °F
Chance
T-stormsMonday
High: 80 °F
Chance
T-stormsMonday Night
Low: 60 °F
Chance
T-storms then
Chance
ShowersTuesday
High: 71 °F
Showers
Tuesday Night
Low: 49 °F
Showers
Wednesday
High: 62 °F
Showers
LikelyWednesday Night
Low: 46 °F
Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 39. Calm wind.
Sunday
Sunny, with a high near 71. Light south southwest wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Southwest wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 60. South southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tuesday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 71. South southwest wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 49. Southwest wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 62. North northeast wind 6 to 9 mph.
Wednesday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 46. North wind around 9 mph.
Thursday
Mostly sunny, with a high near 66. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 47. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 73. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. South wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 79. West southwest wind 5 to 8 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Herrin IL
37.8°N 89°W
37.8°N 89°W
9:01 pm CDT May 2, 2026
10pm CDT May 2, 2026-6pm CDT May 9, 2026
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