National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

34°F

1°C

Humidity 75%
Wind Speed N 9 mph
Barometer 30.19 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 3 Feb 5:47 pm CST
Extended Forecast for

2 Miles E Johnston City IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. North wind 5 to 8 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 31. North wind 5 to 10 mph.

    High: 31 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. North wind 5 to 7 mph becoming calm in the evening.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. West southwest wind 6 to 9 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. West southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. North northwest wind around 6 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41. North northeast wind around 6 mph becoming east in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. South southeast wind 3 to 6 mph.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. North wind 5 to 8 mph.
Wednesday
Mostly cloudy, with a high near 31. North wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 14. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 36. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 29. West southwest wind 6 to 9 mph.
Friday
Sunny, with a high near 51. West southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 26. North northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 41. North northeast wind around 6 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 28. South southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 48. South southeast wind 5 to 7 mph becoming northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. Light northeast wind.
Monday
Mostly sunny, with a high near 47. Light and variable wind becoming east around 5 mph.
Monday Night
Mostly cloudy, with a low around 34. Light and variable wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 55. South wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Johnston City IL
 37.82°N 88.89°W
Last Update:
5:06 pm CST Feb 3, 2026
Forecast Valid:
6pm CST Feb 3, 2026-6pm CST Feb 10, 2026
 
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Additional Resources

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Chance of Precipitation