Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
38°F
3°C
| Humidity | 48% |
| Wind Speed | N 5 mph |
| Barometer | 30.60 in |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 28 Mar 3:35 am CDT |
Extended Forecast for
2 Miles N Johnston City IL
Freeze Warning until March 28, 09:00am
NOW until 9:00am Sat

Freeze Warning
Overnight

Low: 31 °F
Clear
Saturday

High: 57 °F
Sunny
Saturday Night

Low: 39 °F
Mostly Clear
Sunday

High: 69 °F
Mostly Sunny
Sunday Night

Low: 56 °F
Partly Cloudy
Monday

High: 79 °F
Mostly Sunny
Monday Night

Low: 65 °F
Mostly Clear
Tuesday

High: 83 °F
Mostly Sunny
and Breezy
Detailed Forecast
Overnight
Clear, with a low around 31. North wind around 8 mph.
Saturday
Sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 39. South southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 69. South wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 79. South southwest wind 11 to 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 83. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 52. South southwest wind 14 to 16 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers, mainly before 1pm. Mostly cloudy, with a high near 62. North wind around 13 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45. Northeast wind around 11 mph, with gusts as high as 18 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 59. East northeast wind around 11 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47. East wind 7 to 9 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 71. East wind 7 to 10 mph becoming south in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles N Johnston City IL
37.85°N 88.94°W
37.85°N 88.94°W
1:26 am CDT Mar 28, 2026
3am CDT Mar 28, 2026-6pm CDT Apr 3, 2026



