Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Light Rain
61°F
16°C
| Humidity | 94% |
| Wind Speed | S 6 mph |
| Barometer | 29.86 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 18 Apr 6:47 am CDT |
Extended Forecast for
2 Miles ENE Herrin IL
Today
High: 65 °F⇓
Showers then
Slight Chance
ShowersTonight
Low: 40 °F
Mostly Clear
Sunday
High: 69 °F
Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Monday
High: 68 °F
Sunny
Monday Night
Low: 51 °F
Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Detailed Forecast
Today
Showers and thunderstorms before 11am, then a slight chance of showers between 11am and 3pm. Temperature falling to around 55 by 10am. North northwest wind 5 to 10 mph increasing to 11 to 16 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Tonight
Mostly clear, with a low around 40. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 69. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 42. West northwest wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 68. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Clear, with a low around 51. Southeast wind 5 to 7 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 57. Southwest wind 6 to 10 mph.
Wednesday
Sunny, with a high near 82. Southwest wind 6 to 10 mph.
Wednesday Night
Clear, with a low around 60. South wind around 6 mph.
Thursday
Sunny, with a high near 85. South wind 6 to 15 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 64. South wind 11 to 13 mph, with gusts as high as 21 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Herrin IL
37.8°N 89°W
37.8°N 89°W
5:46 am CDT Apr 18, 2026
6am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
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