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.

Overcast

72°F

22°C

Humidity 83%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 24 May 10:47 am CDT
Extended Forecast for

Energy IL

  • Today

    Today: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 79. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. North northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 79. Light northeast wind becoming east northeast 5 to 9 mph in the morning.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 62. East wind 5 to 7 mph becoming calm in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 70%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 81 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.

    High: 83 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 79. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. North northeast wind around 5 mph becoming calm in the evening.
Memorial Day
Partly sunny, with a high near 79. Light northeast wind becoming east northeast 5 to 9 mph in the morning.
Monday Night
Increasing clouds, with a low around 62. East wind 5 to 7 mph becoming calm in the evening.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. East wind 3 to 8 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. East wind 5 to 8 mph becoming calm.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. East wind 6 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
11:11 am CDT May 24, 2026
Forecast Valid:
11am CDT May 24, 2026-6pm CDT May 30, 2026
 
Forecast Discussion
 
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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