Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fog/Mist
66°F
19°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.22 in |
| Dewpoint | 65°F (18°C) |
| Visibility | 1.25 mi |
| Last update | 6 Aug 5:15 am CDT |
Extended Forecast for
Herrin ILSimilar City Names
Today
High: 91 °F
Patchy Fog
then SunnyTonight
Low: 69 °F
Mostly Clear
Thursday
High: 92 °F
Sunny
Thursday Night
Low: 71 °F
Mostly Clear
Friday
High: 93 °F
Sunny
Friday Night
Low: 72 °F
Clear
Saturday
High: 93 °F
Sunny
Saturday Night
Low: 72 °F
Clear
Sunday
High: 93 °F
Sunny
Detailed Forecast
Today
Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind.
Tonight
Mostly clear, with a low around 69. Calm wind.
Thursday
Sunny, with a high near 92. Calm wind.
Thursday Night
Mostly clear, with a low around 71. Calm wind.
Friday
Sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.
Friday Night
Clear, with a low around 72. South southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 93. South wind 5 to 7 mph.
Saturday Night
Clear, with a low around 72. South southeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 93. South wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 73. South wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 93. South wind 3 to 7 mph.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. South wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southwest wind 5 to 7 mph.
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Point Forecast:
Herrin ILSimilar City Names
37.8°N 89.03°W
37.8°N 89.03°W
4:30 am CDT Aug 6, 2025
5am CDT Aug 6, 2025-6pm CDT Aug 12, 2025
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