Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
26°F
-3°C
| Humidity | 69% |
| Wind Speed | S 5 mph |
| Barometer | 30.47 in |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 12 Jan 12:15 am CST |
Extended Forecast for
3 Miles WNW Whiteash IL
Overnight

Low: 24 °F
Clear
Monday

High: 51 °F
Sunny
Monday Night

Low: 35 °F
Partly Cloudy
Tuesday

High: 58 °F
Mostly Sunny
Tuesday Night

Low: 41 °F
Slight Chance
ShowersWednesday
High: 46 °F
Slight Chance
Showers then
Mostly Cloudy
and BreezyWednesday Night
Low: 19 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyThursday

High: 35 °F
Mostly Sunny
Thursday Night

Low: 26 °F
Mostly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 24. Calm wind becoming south southwest around 6 mph.
Monday
Sunny, with a high near 51. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 35. South southwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 58. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 46. Breezy, with a northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Blustery, with a north northwest wind 14 to 20 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 35. North northwest wind 5 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 26. Light west wind becoming south southwest 5 to 9 mph in the evening.
Friday
Partly sunny, with a high near 44. West southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 25. West wind 6 to 8 mph.
Saturday
Mostly cloudy, with a high near 35. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 18. West northwest wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 33. West wind 7 to 13 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Whiteash IL
37.8°N 88.97°W
37.8°N 88.97°W
11:07 pm CST Jan 11, 2026
12am CST Jan 12, 2026-6pm CST Jan 18, 2026


