Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Partly Cloudy
66°F
19°C
| Humidity | 52% |
| Wind Speed | S 12 mph |
| Barometer | 30.18 in |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 4 Nov 1:47 pm CST |
Extended Forecast for
Marion IL
This Afternoon

High: 64 °F
Sunny
Tonight

Low: 52 °F
Partly Cloudy
Wednesday

High: 72 °F
Sunny
Wednesday Night

Low: 40 °F
Clear
Thursday

High: 65 °F
Sunny
Thursday Night
Low: 52 °F
Mostly Clear
then Slight
Chance
ShowersFriday
High: 71 °F
Showers
Likely then
Chance
T-stormsFriday Night

Low: 44 °F
Mostly Clear
Saturday

High: 68 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a steady temperature around 64. South wind around 13 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 52. South southwest wind around 11 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 72. South southwest wind 8 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Clear, with a low around 40. North northwest wind around 6 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 65. Southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 52. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
Showers likely before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. South southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 68. Calm wind becoming south southwest 5 to 9 mph in the morning.
Saturday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 40. South southwest wind 6 to 10 mph becoming west northwest after midnight.
Sunday
Partly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 27. Northwest wind 7 to 10 mph.
Monday
Sunny, with a high near 44. Northwest wind 6 to 11 mph.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.95°W
37.73°N 88.95°W
1:51 pm CST Nov 4, 2025
2pm CST Nov 4, 2025-6pm CST Nov 10, 2025


