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

77°F

25°C

Humidity 57%
Wind Speed S 12 mph
Barometer 29.89 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Apr 6:47 pm CDT
Extended Forecast for

Energy IL

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 63. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 79. Southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 60. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 22 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 69. South southwest wind 11 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 41. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. West northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. North northwest wind around 6 mph becoming light and variable after midnight.

    Low: 42 °F

    Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 63. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 79. Southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 60. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 22 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 69. South southwest wind 11 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 41. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 65. West northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 42. North northwest wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 71. South wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 50. South wind around 7 mph.
Tuesday
Sunny, with a high near 76. South southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 55. South southwest wind 7 to 9 mph.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. South southwest wind 7 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:
6:36 pm CDT Apr 15, 2026
Forecast Valid:
6pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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