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

81°F

27°C

Humidity 74%
Wind Speed N 14 mph
Barometer 30.12 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Jul 11:45 am CDT
Extended Forecast for

Energy IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 82. North northeast wind around 10 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. North northeast wind 3 to 7 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. North northeast wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light north northeast wind becoming east northeast 5 to 10 mph in the morning.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Light and variable wind.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 82. North northeast wind around 10 mph.
Tonight
Mostly clear, with a low around 69. North northeast wind 3 to 7 mph.
Monday
Sunny, with a high near 87. North northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 68. North northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Light north northeast wind becoming east northeast 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 70. Light and variable wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 72. Calm wind.
Thursday
Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny, with a high near 93. Calm wind becoming west around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 74. Light southwest wind.
Saturday
Sunny, with a high near 94. Light southwest wind becoming west southwest 5 to 9 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.78°N 89.03°W
Last Update:
10:36 am CDT Jul 12, 2026
Forecast Valid:
12pm CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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