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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

79°F

26°C

Humidity 70%
Wind Speed S 7 mph
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 May 10:45 am CDT
Extended Forecast for

2 Miles SSE Energy IL

  • Today

    Today: A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 86. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. South southeast wind 6 to 8 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. South southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Mostly cloudy, with a low around 65. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 65 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. North wind around 9 mph.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 86. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. South southeast wind 6 to 8 mph.
Sunday
Sunny, with a high near 88. South wind 8 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 70. South wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South wind 13 to 18 mph, with gusts as high as 28 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 13 to 15 mph, with gusts as high as 24 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. South southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Mostly cloudy, with a low around 65. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. North wind around 9 mph.
Wednesday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 57. North northeast wind 6 to 9 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 75. North northeast wind around 9 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 56. Northeast wind 3 to 8 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 79. Northeast wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Energy IL
 37.76°N 89.03°W
Last Update:
8:41 am CDT May 16, 2026
Forecast Valid:
11am CDT May 16, 2026-6pm CDT May 22, 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