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.

A Few Clouds

43°F

6°C

Humidity 57%
Wind Speed E 6 mph
Barometer 30.12 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 14 Mar 7:47 am CDT
Extended Forecast for

2 Miles SE Frankfort Heights IL

  • Today

    Today: Mostly sunny, with a high near 67. East wind 7 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 20 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.

    High: 73 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 25. Breezy, with a south wind 23 to 25 mph becoming west after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%.

    Low: 25 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: Mostly cloudy, with a high near 33. Breezy, with a west northwest wind around 23 mph, with gusts as high as 34 mph.

    High: 33 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Blustery, with a west northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. West northwest wind 6 to 8 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 28. Light south wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 23 mph.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. South southwest wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. East wind 7 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Tonight
Partly cloudy, with a low around 54. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 20 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 25. Breezy, with a south wind 23 to 25 mph becoming west after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%.
Monday
Mostly cloudy, with a high near 33. Breezy, with a west northwest wind around 23 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 15. Blustery, with a west northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.
Tuesday
Sunny, with a high near 38. West northwest wind 6 to 8 mph.
Tuesday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 28. Light south wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 23 mph.
Wednesday
Partly sunny, with a high near 59. South southwest wind 14 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 41. South southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 71. Southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 48. South southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 71. Southwest wind 6 to 10 mph becoming west northwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Frankfort Heights IL
 37.88°N 88.8°W
Last Update:
1:26 am CDT Mar 14, 2026
Forecast Valid:
8am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation