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

59°F

15°C

Humidity 51%
Wind Speed NE 13 G 17 mph
Barometer 30.08 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 2 May 2:45 pm CDT
Extended Forecast for

Energy IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms before 4pm, then isolated showers between 4pm and 5pm, then scattered rain after 5pm. Partly sunny, with a high near 59. North wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 59 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 39. North wind 5 to 7 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. South southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 56. South southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. South southwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 70. South southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 49. Southwest wind 8 to 14 mph becoming north after midnight. Winds could gust as high as 23 mph.

    Low: 49 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. North northeast wind 6 to 9 mph.

    High: 61 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms before 4pm, then isolated showers between 4pm and 5pm, then scattered rain after 5pm. Partly sunny, with a high near 59. North wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 39. North wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 70. South southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
A chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 56. South southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. South southwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tuesday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 70. South southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 49. Southwest wind 8 to 14 mph becoming north after midnight. Winds could gust as high as 23 mph.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. North northeast wind 6 to 9 mph.
Wednesday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 45. North wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 64. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 45. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 70. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
1:26 pm CDT May 2, 2026
Forecast Valid:
3pm CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation