Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Freezing Fog

10°F

-12°C

Humidity 87%
Wind Speed N 13 mph
Barometer 30.04 in (1018.1 mb)
Dewpoint 7°F (-14°C)
Visibility 0.50 mi
Wind Chill-5°F (-21°C)
Last update 25 Jan 4:52 am CST
Extended Forecast for

Murphysboro IL

Cold Weather Advisory January 25, 05:10am until January 26, 12:00am
Extreme Cold Warning January 26, 12:00am until January 27, 10:00am
Winter Storm Warning January 25, 05:10am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
Winter Storm Warning
  •  
    Cold Weather Advisory January 25, 05:10am until January 26, 12:00am
    Winter Storm Warning January 25, 05:10am until January 25, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 11 °F

    Heavy Snow

  • Sunday

    Sunday: Snow, mainly before 3pm. The snow could be heavy at times.  High near 14. Wind chill values as low as -5. North northwest wind 13 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 14 °F

    Heavy Snow
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around -4. Wind chill values as low as -17. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: -4 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 16. Wind chill values as low as -19. West northwest wind 3 to 8 mph.

    High: 16 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 2. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 2 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. South southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -1. Light north northwest wind.

    Low: -1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Calm wind becoming west around 6 mph in the afternoon.

    High: 24 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 11. Wind chill values as low as -3. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Sunday
Snow, mainly before 3pm. The snow could be heavy at times. High near 14. Wind chill values as low as -5. North northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around -4. Wind chill values as low as -17. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 16. Wind chill values as low as -19. West northwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 2. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 31. South southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around -1. Light north northwest wind.
Wednesday
Mostly sunny, with a high near 24. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 1. Light and variable wind becoming northwest around 5 mph.
Thursday
Partly sunny, with a high near 21. North northwest wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 8. Light north northeast wind.
Friday
Partly sunny, with a high near 23. North wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 2. North wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 20. North northwest wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
4:06 am CST Jan 25, 2026
5am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

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