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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Energy IL

Flood Watch until March 5, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until March 5, 12:00pm

    NOW until 12:00pm Thu

    Flood Watch

  • Overnight

    Low: 59 °F

    Heavy Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 10am. High near 71. South southeast wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%.

    High: 71 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly between 2am and 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. South wind 5 to 8 mph.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers after noon. Partly sunny, with a high near 78. South wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 70. South southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    High: 70 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 42. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 42 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog. Low around 59. South southeast wind around 7 mph. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 10am. High near 71. South southeast wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between 2am and 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. South wind 5 to 8 mph.
Friday
A 30 percent chance of showers after noon. Partly sunny, with a high near 78. South wind 8 to 17 mph, with gusts as high as 26 mph.
Friday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 70. South southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 42. Northwest wind 5 to 9 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 47. South southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 74. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 55. South southwest wind around 16 mph, with gusts as high as 26 mph.
Wednesday
Showers. Mostly cloudy, with a high near 64. Southwest wind 15 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
3:51 am CST Mar 5, 2026
Forecast Valid:
5am CST Mar 5, 2026-6pm CDT Mar 11, 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