Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
39°F
4°C
| Humidity | 24% |
| Wind Speed | N 6 mph |
| Barometer | 30.29 in |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 22 Jan 3:47 pm CST |
Extended Forecast for
Whiteash IL
Cold Weather Advisory January 23, 06:00pm until January 25, 06:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
This Afternoon

High: 42 °F
Sunny
Tonight

Low: 16 °F
Increasing
CloudsFriday

High: 22 °F⇓
Partly Sunny
Friday Night
Low: 8 °F
Mostly Cloudy
then Slight
Chance SnowSaturday
High: 16 °F
Snow Likely
then
Snow/SleetSaturday Night
Low: 12 °F
Snow/Sleet
then Heavy
SnowSunday
High: 19 °F
Snow then
Chance SnowSunday Night
Low: 3 °F
Slight Chance
Snow then
Partly CloudyMonday

High: 16 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 42. Light north wind.
Tonight
Increasing clouds, with a low around 16. Light east wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Friday
Partly sunny, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. North wind 11 to 17 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of snow after midnight. Increasing clouds, with a low around 8. Wind chill values as low as -7. Northeast wind 13 to 15 mph, with gusts as high as 22 mph.
Saturday
Snow before 3pm, then snow, possibly mixed with sleet. High near 16. Northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
Snow, possibly mixed with sleet, becoming all snow after 9pm. The snow could be heavy at times. Low around 12. Northeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Sunday
Snow, mainly before noon. High near 19. North northwest wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Sunday Night
A slight chance of snow before 8pm, then a slight chance of snow showers between 8pm and midnight. Mostly cloudy, with a low around 3. North northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 16. Northwest wind 6 to 9 mph becoming west southwest in the afternoon.
Monday Night
Mostly clear, with a low around 2. South southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 30. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 15. Southwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 29. West southwest wind 5 to 7 mph becoming north northwest in the afternoon.
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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 22, 2026
4pm CST Jan 22, 2026-6pm CST Jan 28, 2026



