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

65°F

18°C

Humidity 99%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 24 May 4:15 am CDT
Extended Forecast for

Energy IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a steady temperature around 65. Calm wind.

    Low: 65 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 62. North northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Memorial Day

    Memorial Day: A slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Light northeast wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 79. Southeast wind 3 to 8 mph. Chance of precipitation is 90%.

    High: 79 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 67. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South southwest wind 5 to 8 mph.

    High: 83 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a steady temperature around 65. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 62. North northeast wind around 5 mph becoming calm in the evening.
Memorial Day
A slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Light northeast wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 20%.
Monday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
Tuesday
Showers and possibly a thunderstorm. High near 79. Southeast wind 3 to 8 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 67. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South southwest wind 5 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 68. Light south wind.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Calm wind.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 80. Light east northeast wind increasing to 5 to 9 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East northeast wind 6 to 8 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. East northeast wind 7 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
1:46 am CDT May 24, 2026
Forecast Valid:
4am 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