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Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Herrin ILSimilar City Names
Overnight
Low: 51 °F
Mostly Cloudy
Wednesday
High: 61 °F
Cloudy
Wednesday Night
Low: 49 °F
Mostly Cloudy
then Slight
Chance
ShowersThursday
High: 63 °F
Showers
Thursday Night
Low: 56 °F
Showers
Friday
High: 65 °F
Showers
Friday Night
Low: 51 °F
Showers then
Chance
ShowersSaturday
High: 61 °F
Slight Chance
Showers then
Partly SunnySaturday Night
Low: 43 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 51. Calm wind.
Wednesday
Cloudy, with a high near 61. Calm wind becoming north around 5 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.
Thursday
Showers likely, then showers and possibly a thunderstorm after noon. High near 63. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 56. Light and variable wind. Chance of precipitation is 80%.
Friday
Showers. High near 65. Light east wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 51. North wind 5 to 7 mph. Chance of precipitation is 80%.
Saturday
A slight chance of showers before noon. Partly sunny, with a high near 61. North northwest wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 43. Calm wind.
Sunday
Mostly sunny, with a high near 63. Calm wind becoming west around 6 mph in the morning.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 44. Light south southwest wind.
Monday
A chance of showers. Partly sunny, with a high near 62. Calm wind becoming south southwest 5 to 7 mph in the morning.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. East southeast wind 3 to 6 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 60. Southeast wind 6 to 10 mph.
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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
9:26 pm CST Nov 18, 2025
12am CST Nov 19, 2025-6pm CST Nov 25, 2025
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