Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

21°F

-6°C

Humidity 47%
Wind Speed N 17 G 26 mph
Barometer 30.48 in (1032.7 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 23 Jan 5:52 am CST
Extended Forecast for

Murphysboro IL

Cold Weather Advisory January 23, 06:00pm until January 24, 01:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  • Today

    Today: Partly sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as -3. North wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 17 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 5am.  Increasing clouds, with a low around 7. Wind chill values as low as -8. Northeast wind around 14 mph, with gusts as high as 22 mph.

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow showers.  High near 13. Wind chill values as low as -8. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 13 °F

    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers, possibly mixed with sleet.  Low around 11. Wind chill values as low as -1. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%.

    Low: 11 °F

    Snow/Sleet

  • Sunday

    Sunday: Snow showers, possibly mixed with sleet, becoming all snow after 9am.  High near 16. North wind 11 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%.

    High: 16 °F

    Snow/Sleet
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 1. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 16. Northwest wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 4. South southwest wind 5 to 8 mph.

    Low: 4 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. South southwest wind 6 to 8 mph.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as -3. North wind 14 to 17 mph, with gusts as high as 26 mph.
Tonight
A 30 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 7. Wind chill values as low as -8. Northeast wind around 14 mph, with gusts as high as 22 mph.
Saturday
Snow showers. High near 13. Wind chill values as low as -8. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow showers, possibly mixed with sleet. Low around 11. Wind chill values as low as -1. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Sunday
Snow showers, possibly mixed with sleet, becoming all snow after 9am. High near 16. North wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Sunday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 1. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 16. Northwest wind 5 to 8 mph becoming west southwest in the afternoon.
Monday Night
Clear, with a low around 4. South southwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 30. South southwest wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 9. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 26. Northwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 4. West northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 19. Northwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
3:16 am CST Jan 23, 2026
6am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

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