Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

12°F

-11°C

Humidity 62%
Wind Speed NW 12 mph
Barometer 30.51 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 31 Jan 8:45 am CST
Extended Forecast for

Energy IL

Cold Weather Advisory January 31, 09:00am until January 31, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 31, 09:00am until January 31, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Today

    High: 19 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 2. Northwest wind 5 to 9 mph becoming light west northwest  after midnight.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 27. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 27 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. South wind 5 to 9 mph becoming light southwest  after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. West southwest wind 3 to 7 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Light south wind.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow showers before noon, then a chance of rain showers.  Mostly cloudy, with a high near 37. Light and variable wind becoming north northeast 5 to 8 mph in the morning.  Chance of precipitation is 40%.

    High: 37 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before midnight.  Mostly cloudy, with a low around 19. North wind around 7 mph.

    Low: 19 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 19. Wind chill values as low as -4. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 2. Northwest wind 5 to 9 mph becoming light west northwest after midnight.
Sunday
Increasing clouds, with a high near 27. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 19. South wind 5 to 9 mph becoming light southwest after midnight.
Monday
Mostly sunny, with a high near 37. West southwest wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 24. Light south wind.
Tuesday
A slight chance of rain and snow showers before noon, then a chance of rain showers. Mostly cloudy, with a high near 37. Light and variable wind becoming north northeast 5 to 8 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 19. North wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 30. North wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 11. North wind 5 to 8 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 31. Calm wind becoming west 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 20. South southwest wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 41. Southwest wind 9 to 11 mph becoming northwest in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
8:36 am CST Jan 31, 2026
9am CST Jan 31, 2026-6pm CST Feb 6, 2026
 
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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