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.

N/A

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

3 Miles WNW Mulkeytown IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a steady temperature around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Light north northeast wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Light north wind.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. North northwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a steady temperature around 72. Calm wind.
Thursday
Partly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 66. Light north northeast wind.
Friday
Sunny, with a high near 87. Light north wind.
Friday Night
Mostly clear, with a low around 67. Calm wind.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming northwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 64. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 62. Light and variable wind.
Monday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Light east southeast wind.
Tuesday
Mostly sunny, with a high near 87. South southeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 65. Light southeast wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Mulkeytown IL
 37.97°N 89.19°W
Last Update:
2:56 am CDT Aug 20, 2026
Forecast Valid:
3am CDT Aug 20, 2026-6pm CDT Aug 26, 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