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

82°F

28°C

Humidity 74%
Wind Speed SE 6 mph
Barometer 30.11 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 7 Aug 11:52 am CDT
Extended Forecast for

Elkville IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 3 to 6 mph.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South southwest wind 5 to 7 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. South southwest wind 6 to 11 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South southwest wind 8 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Southwest wind 8 to 10 mph.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 3 to 6 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 95. Calm wind becoming south southwest 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 74. South southwest wind 5 to 7 mph.
Monday
Sunny, with a high near 96. South southwest wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 76. South southwest wind 8 to 10 mph.
Tuesday
Sunny, with a high near 95. Southwest wind 8 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. South southwest wind 8 to 11 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. West southwest wind 7 to 9 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind around 6 mph becoming light and variable after midnight.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Light and variable wind becoming west northwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Elkville IL
 37.9°N 89.25°W
Last Update:
12:06 pm CDT Aug 7, 2026
Forecast Valid:
12pm CDT Aug 7, 2026-6pm CDT Aug 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation