Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Light Snow
11°F
-12°C
| Humidity | 81% |
| Wind Speed | NE 10 mph |
| Barometer | 30.29 in |
| Dewpoint | 7°F (-14°C) |
| Visibility | 1.50 mi |
| Wind Chill | -2°F (-19°C) |
| Last update | 24 Jan 7:55 pm CST |
Extended Forecast for
2 Miles ENE Herrin IL
Cold Weather Advisory January 24, 08:14pm until January 26, 12:00am
Extreme Cold Warning January 26, 12:00am until January 27, 10:00am
Winter Storm Warning January 24, 08:14pm until January 25, 06:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 12 °F
Heavy Snow
Sunday
High: 17 °F
Snow
Sunday Night
Low: -2 °F
Slight Chance
Snow then
Partly CloudyMonday
High: 15 °F
Sunny
Monday Night
Low: 2 °F
Mostly Clear
Tuesday
High: 29 °F
Sunny
Tuesday Night
Low: 5 °F
Partly Cloudy
Wednesday
High: 26 °F
Partly Sunny
Detailed Forecast
Tonight
Snow. The snow could be heavy at times. Low around 12. Wind chill values as low as zero. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 3pm. High near 17. Wind chill values as low as -2. North wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
A 20 percent chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around -2. Wind chill values as low as -16. Northwest wind 9 to 17 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 15. Wind chill values as low as -18. Northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 2. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 29. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 5. Light north northwest wind.
Wednesday
Partly sunny, with a high near 26. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 2. West southwest wind around 6 mph becoming north northwest after midnight.
Thursday
Partly sunny, with a high near 19. North northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 1. Light north northwest wind.
Friday
Mostly sunny, with a high near 20. North northwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 1. Light north northwest wind.
Saturday
Mostly sunny, with a high near 23. North northwest wind 3 to 7 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
6:27 pm CST Jan 24, 2026
8pm CST Jan 24, 2026-6pm CST Jan 31, 2026
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