Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
28°F
-2°C
| Humidity | 47% |
| Wind Speed | S 9 mph |
| Barometer | 30.32 in |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 19°F (-7°C) |
| Last update | 20 Jan 5:47 pm CST |
Extended Forecast for
Whiteash IL
Tonight
Low: 30 °F⇑
Mostly Clear
then Slight
Chance SnowWednesday
High: 46 °F
Slight Chance
Drizzle then
Mostly SunnyWednesday Night

Low: 25 °F
Mostly Clear
Thursday

High: 40 °F
Mostly Sunny
Thursday Night

Low: 18 °F
Mostly Cloudy
Friday

High: 22 °F
Mostly Cloudy
Friday Night

Low: 6 °F
Chance Snow
Saturday

High: 16 °F
Snow Likely
Saturday Night

Low: 10 °F
Chance Snow
Detailed Forecast
Tonight
A 20 percent chance of snow after 3am. Increasing clouds, with a temperature rising to around 34 by 5am. South wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of drizzle before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 46. West southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 25. West southwest wind around 6 mph becoming north northwest after midnight.
Thursday
Mostly sunny, with a high near 40. North wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 18. Light north northeast wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 18 mph.
Friday
Mostly cloudy, with a high near 22. North wind around 14 mph, with gusts as high as 23 mph.
Friday Night
A 30 percent chance of snow, mainly after midnight. Cloudy, with a low around 6. North northeast wind around 14 mph, with gusts as high as 22 mph.
Saturday
Snow likely, mainly after noon. Cloudy, with a high near 16. North northeast wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. North northeast wind 7 to 10 mph.
Sunday
Partly sunny, with a high near 23. North wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 7. Northwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 25. West northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 8. West southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 31. South southwest wind 6 to 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Whiteash IL
37.78°N 88.92°W
37.78°N 88.92°W
3:16 pm CST Jan 20, 2026
6pm CST Jan 20, 2026-6pm CST Jan 27, 2026



