Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
51°F
11°C
| Humidity | 61% |
| Wind Speed | N 14 G 24 mph |
| Barometer | 29.99 in |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 22 Mar 10:35 pm CDT |
Extended Forecast for
2 Miles ENE Herrin IL
Tonight
Low: 37 °F
Slight Chance
Showers then
Mostly ClearMonday
High: 57 °F
Sunny
Monday Night
Low: 39 °F
Mostly Cloudy
Tuesday
High: 64 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Partly Cloudy
Wednesday
High: 74 °F
Mostly Sunny
Wednesday Night
Low: 60 °F
Partly Cloudy
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 45 °F
Chance
Showers
Detailed Forecast
Tonight
A 20 percent chance of showers before 11pm. Mostly cloudy early, then gradual clearing, with a low around 37. North wind 9 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 57. North northeast wind 11 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 39. Northeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 64. East southeast wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 44. Light east southeast wind.
Wednesday
Mostly sunny, with a high near 74. Light south wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 60. South wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 45. South southwest wind around 14 mph becoming north after midnight. Winds could gust as high as 23 mph.
Friday
A chance of showers. Partly sunny, with a high near 56. North wind around 15 mph, with gusts as high as 23 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 33. North wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 58. Northeast wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 38. East northeast wind around 5 mph becoming light and variable in the evening.
Sunday
Mostly sunny, with a high near 67. South wind 5 to 9 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
10:31 pm CDT Mar 22, 2026
10pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
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