Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

77°F

25°C

Humidity 57%
Wind Speed NE 3 mph
Barometer 30.12 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Jul 1:45 pm CDT
Extended Forecast for

Energy IL

Heat Advisory July 26, 11:00am until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: A 50 percent chance of showers, mainly before 5pm.  Mostly cloudy, with a high near 80. Light west wind.

    High: 80 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 9pm.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 40%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the morning.  Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Calm wind.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 95. Southwest wind 6 to 11 mph.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South southwest wind 7 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. West northwest wind 6 to 10 mph.

    High: 97 °F

    Hot

Detailed Forecast

This Afternoon
A 50 percent chance of showers, mainly before 5pm. Mostly cloudy, with a high near 80. Light west wind.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
Saturday
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 71. Calm wind.
Sunday
Mostly sunny, with a high near 91. Calm wind.
Sunday Night
Mostly clear, with a low around 74. Light south wind.
Monday
Mostly sunny, with a high near 95. Southwest wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 79. South southwest wind 7 to 10 mph.
Tuesday
Sunny and hot, with a high near 97. West northwest wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 74. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 93. Calm wind becoming north 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 71. North northeast wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 92. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
1:26 pm CDT Jul 24, 2026
2pm CDT Jul 24, 2026-6pm CDT Jul 30, 2026
 
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