Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
73°F
23°C
| Humidity | 94% |
| Wind Speed | SW 5 mph |
| Barometer | 29.98 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 14 Oct 12:55 am CDT |
Extended Forecast for
Herrin ILSimilar City Names
Overnight
Low: 73 °F
Increasing
CloudsWednesday
High: 82 °F
Showers
Wednesday Night
Low: 68 °F
Chance
ShowersThursday
High: 88 °F
Showers
LikelyThursday Night
Low: 53 °F
Chance
ShowersFriday
High: 63 °F
Mostly Sunny
and BreezyFriday Night
Low: 40 °F
Mostly Clear
Saturday
High: 63 °F
Sunny
Saturday Night
Low: 38 °F
Clear
Detailed Forecast
Overnight
Increasing clouds, with a low around 73. South southwest wind around 6 mph.
Wednesday
Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. High near 82. Southwest wind 5 to 7 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms before 11am, then showers likely between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Light and variable wind becoming southwest 6 to 11 mph in the morning. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. South southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 63. Breezy, with a north northwest wind 20 to 22 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 40. North wind 6 to 16 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 63. Northeast wind 5 to 8 mph.
Saturday Night
Clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 46. Light south southeast wind.
Monday
Mostly sunny, with a high near 74. South southwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 51. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Herrin ILSimilar City Names
37.8°N 89.03°W
37.8°N 89.03°W
11:51 pm CDT Oct 13, 2026
1am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
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