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 Chill34°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
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until March 28, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Overnight

    Low: 31 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. South southeast wind 3 to 5 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. South southwest wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    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.

    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.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Johnston City IL
 37.85°N 88.94°W
1:26 am CDT Mar 28, 2026
3am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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