National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

59°F

15°C

Humidity 83%
Wind Speed N 6 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Oct 1:52 am CDT
Extended Forecast for

Carbondale IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind becoming northwest around 5 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Light south wind.

    Low: 61 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 91. Southwest wind 5 to 11 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 67. Southwest wind around 7 mph.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Southwest wind 7 to 10 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South southwest wind 3 to 5 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. West southwest wind 3 to 6 mph.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. North wind around 5 mph becoming calm.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 58. Calm wind.
Sunday
Sunny, with a high near 85. Calm wind becoming northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 61. Light south wind.
Columbus Day
Sunny, with a high near 91. Southwest wind 5 to 11 mph.
Monday Night
Clear, with a low around 67. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 92. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 70. South southwest wind 3 to 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. West southwest wind 3 to 6 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. North wind around 5 mph becoming calm.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. East wind 6 to 10 mph becoming south southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. South southwest wind 5 to 8 mph becoming west northwest after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 70. North northwest wind 11 to 16 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 43. North northwest wind 8 to 15 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 61. North wind 10 to 13 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carbondale IL
 37.72°N 89.2°W
Last Update:
1:21 am CDT Oct 11, 2026
Forecast Valid:
2am CDT Oct 11, 2026-6pm CDT Oct 17, 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