Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
55°F
13°C
| Humidity | 28% |
| Wind Speed | W 14 G 21 mph |
| Barometer | 29.62 in |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 20 Feb 1:35 am CST |
Extended Forecast for
4 Miles S Frankfort Heights IL
Overnight

Low: 37 °F
Mostly Clear
Friday

High: 48 °F
Sunny
Friday Night
Low: 32 °F
Mostly Cloudy
then Slight
Chance
ShowersSaturday

High: 45 °F
Mostly Sunny
Saturday Night

Low: 24 °F
Mostly Clear
Sunday
High: 38 °F
Sunny then
Sunny and
BreezySunday Night

Low: 18 °F
Mostly Clear
Monday

High: 36 °F
Sunny
Monday Night

Low: 18 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 37. West wind 13 to 15 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 48. West wind 6 to 16 mph, with gusts as high as 24 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 32. Calm wind becoming north around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 45. Northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 24. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 38. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 18. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 36. North northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 18. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 46. Light south southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South southwest wind around 14 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 36. Southwest wind 6 to 9 mph becoming north northwest after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 55. North northwest wind 6 to 9 mph becoming east northeast in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
4 Miles S Frankfort Heights IL
37.84°N 88.86°W
37.84°N 88.86°W
1:12 am CST Feb 20, 2026
1am CST Feb 20, 2026-6pm CST Feb 26, 2026


