Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
19°F
-7°C
| Humidity | 42% |
| Wind Speed | Calm |
| Barometer | 30.47 in |
| Dewpoint | 0°F (-18°C) |
| Visibility | 10.00 mi |
| Last update | 26 Jan 4:45 pm CST |
Extended Forecast for
2 Miles ENE Herrin IL
Extreme Cold Warning January 26, 05:26pm until January 27, 10:00am
NOW until 10:00am Tue
Extreme Cold Warning
Tonight
Low: 8 °F⇑
Mostly Clear
Tuesday
High: 32 °F
Mostly Sunny
Tuesday Night
Low: 0 °F
Partly Cloudy
Wednesday
High: 29 °F
Mostly Sunny
Wednesday Night
Low: 10 °F
Partly Cloudy
Thursday
High: 22 °F
Mostly Cloudy
Thursday Night
Low: 2 °F
Mostly Cloudy
Friday
High: 16 °F
Partly Sunny
Detailed Forecast
Tonight
Mostly clear, with a temperature rising to around 12 by 3am. Wind chill values as low as -9. Light south wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 32. Wind chill values as low as zero. Southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 0. Light northwest wind.
Wednesday
Mostly sunny, with a high near 29. Wind chill values as low as zero. Calm wind becoming west southwest around 6 mph.
Wednesday Night
Partly cloudy, with a low around 10. Calm wind.
Thursday
Mostly cloudy, with a high near 22. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 2. North wind 3 to 5 mph.
Friday
Partly sunny, with a high near 16. North wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around -1. North northwest wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 19. Northwest wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 1. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 26. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 13. South southwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 35. Southwest wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Herrin IL
37.8°N 89°W
37.8°N 89°W
3:51 pm CST Jan 26, 2026
5pm CST Jan 26, 2026-6pm CST Feb 2, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
