Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
53°F
12°C
| Humidity | 67% |
| Wind Speed | S 7 mph |
| Barometer | 30.02 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 20 Mar 2:15 am CDT |
Extended Forecast for
2 Miles ENE Herrin IL
Overnight

Low: 58 °F
Mostly Clear
Friday

High: 82 °F
Sunny
Friday Night

Low: 52 °F
Partly Cloudy
Saturday

High: 81 °F
Sunny
Saturday Night

Low: 60 °F
Clear
Sunday

High: 86 °F
Sunny
Sunday Night
Low: 44 °F
Slight Chance
T-storms then
Slight Chance
ShowersMonday

High: 60 °F
Sunny
Monday Night

Low: 41 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 58. South southwest wind around 9 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 82. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 52. South southwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 81. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 60. Calm wind becoming south southwest 5 to 7 mph in the evening.
Sunday
Sunny, with a high near 86. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 44. Southwest wind around 15 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 60. North wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 41. East northeast wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 62. East southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 44. East wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 67. East wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 51. Southeast wind around 9 mph.
Thursday
Sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Herrin IL
37.8°N 89°W
37.8°N 89°W
1:26 am CDT Mar 20, 2026
2am CDT Mar 20, 2026-6pm CDT Mar 26, 2026


