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

46°F

8°C

Humidity 82%
Wind Speed N 8 mph
Barometer 30.08 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 7 Mar 10:35 pm CDT
Extended Forecast for

3 Miles E Energy IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 66 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. South wind around 6 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. South southwest wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 62. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 63. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 73. South southwest wind 16 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight. Partly cloudy, with a low around 35. Northwest wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 46. South wind around 6 mph.
Monday
Sunny, with a high near 74. South southwest wind 6 to 15 mph, with gusts as high as 24 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 62. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 63. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 73. South southwest wind 16 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 35. Northwest wind 14 to 18 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 56. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 41. South wind 5 to 13 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 67. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly cloudy, with a high near 61. Northeast wind 8 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Energy IL
 37.78°N 88.97°W
Last Update:
8:31 pm CST Mar 7, 2026
Forecast Valid:
9pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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