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.

Mostly Cloudy

71°F

22°C

Humidity 84%
Wind Speed S 20 G 26 mph
Barometer 29.84 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Mar 10:15 pm CDT
Extended Forecast for

Energy IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a steady temperature around 70. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Mostly Cloudy
    and Breezy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then a chance of showers. Temperature rising to near 70 by noon, then falling to around 57 during the remainder of the day. Breezy, with a southwest wind 16 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%.

    High: 70 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 33. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55. North northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South wind 7 to 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. Southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. North northwest wind around 6 mph becoming east after midnight.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 69. East wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. South wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a steady temperature around 70. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms before 4pm, then a chance of showers. Temperature rising to near 70 by noon, then falling to around 57 during the remainder of the day. Breezy, with a southwest wind 16 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 33. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 55. North northwest wind 6 to 8 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. South wind 7 to 15 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 64. Southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 39. North northwest wind around 6 mph becoming east after midnight.
Saturday
Sunny, with a high near 69. East wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 53. South wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday
A chance of showers and thunderstorms, then showers likely after 1pm. Partly sunny, with a high near 68. Breezy, with a south wind 15 to 21 mph becoming west in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 39. Northwest wind around 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 22. North northwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 45. North wind 5 to 8 mph becoming southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
9:36 pm CDT Mar 10, 2026
Forecast Valid:
10pm CDT Mar 10, 2026-6pm CDT Mar 17, 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