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

79°F

26°C

Humidity 61%
Wind Speed S 12 mph
Barometer 29.97 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Apr 11:47 am CDT
Extended Forecast for

Energy IL

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 85. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 52. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Slight Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm. Temperature falling to around 55 by 9am. South southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    High: 65 °F⇓

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers between 7pm and 1am. Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 9 to 14 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 66. Light west wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Northwest wind around 6 mph becoming light and variable in the evening.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Light and variable wind becoming south southwest 5 to 8 mph in the morning.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 51. South wind around 6 mph.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 85. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 52. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm. Temperature falling to around 55 by 9am. South southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Saturday Night
A slight chance of showers between 7pm and 1am. Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 9 to 14 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 66. Light west wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 44. Northwest wind around 6 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 70. Light and variable wind becoming south southwest 5 to 8 mph in the morning.
Monday Night
Clear, with a low around 51. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 55. South southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 80. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 7 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. South wind 6 to 13 mph, with gusts as high as 21 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:
11:31 am CDT Apr 17, 2026
Forecast Valid:
12pm CDT Apr 17, 2026-6pm CDT Apr 23, 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