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 and Breezy

46°F

8°C

Humidity 93%
Wind Speed N 23 mph
Barometer 29.98 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 11 Mar 4:45 pm CDT
Extended Forecast for

Energy IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a steady temperature around 49. Breezy, with a north northwest wind around 20 mph, with gusts as high as 31 mph.

    High: 49 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 32. Breezy, with a north northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54. North northwest wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. South wind 9 to 16 mph, with gusts as high as 28 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming east northeast after midnight.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63. East northeast wind 6 to 11 mph becoming southeast in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 14 to 23 mph, with gusts as high as 37 mph.

    High: 69 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a steady temperature around 49. Breezy, with a north northwest wind around 20 mph, with gusts as high as 31 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 32. Breezy, with a north northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 54. North northwest wind 5 to 8 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 41. South wind 9 to 16 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 63. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 63. East northeast wind 6 to 11 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 14 to 23 mph, with gusts as high as 37 mph.
Sunday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 29. Breezy, with a west northwest wind 20 to 23 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 39. Northwest wind around 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 20. North northwest wind 5 to 11 mph.
Tuesday
Partly sunny, with a high near 43. North northwest wind 5 to 8 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
1:26 pm CDT Mar 11, 2026
Forecast Valid:
4pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation