Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Light Drizzle
41°F
5°C
| Humidity | 81% |
| Wind Speed | N 18 G 25 mph |
| Barometer | 30.35 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 27 Mar 10:45 am CDT |
Extended Forecast for
Marion IL
Freeze Warning March 28, 01:00am until March 28, 09:00am
Today

High: 53 °F
Chance
ShowersTonight

Low: 32 °F
Mostly Clear
Saturday

High: 58 °F
Sunny
Saturday Night

Low: 40 °F
Mostly Clear
Sunday

High: 69 °F
Partly Sunny
Sunday Night

Low: 57 °F
Partly Cloudy
Monday

High: 80 °F
Mostly Sunny
Monday Night

Low: 64 °F
Partly Cloudy
Tuesday

High: 84 °F
Mostly Sunny
Detailed Forecast
Today
A 40 percent chance of showers, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind 14 to 16 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 32. North wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 58. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 40. Southeast wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 69. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind around 9 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 64. South southwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 84. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 65. South wind around 14 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. South southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. South wind 11 to 13 mph, with gusts as high as 22 mph.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 71. South southwest wind around 14 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.95°W
37.73°N 88.95°W
10:36 am CDT Mar 27, 2026
11am CDT Mar 27, 2026-6pm CDT Apr 2, 2026



