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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy

86°F

30°C

Humidity 49%
Wind Speed Vrbl 3 mph
Barometer 30.01 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 4 Aug 2:48 pm CDT
Extended Forecast for

Elkville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Light east southeast wind.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Light south southeast wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 3am and 4am. Increasing clouds, with a low around 70. Light south southeast wind. Chance of precipitation is 20%.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

    High: 87 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light south southwest wind.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Southwest wind 3 to 5 mph.

    High: 90 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Light east southeast wind.
Tonight
Mostly clear, with a low around 64. Light south southeast wind.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms between 3am and 4am. Increasing clouds, with a low around 70. Light south southeast wind. Chance of precipitation is 20%.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light south southwest wind.
Saturday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Southwest wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 71. Light south southwest wind.
Sunday
Sunny, with a high near 92. Light south southwest wind increasing to 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 74. South wind 6 to 8 mph.
Monday
Sunny, with a high near 95. South southwest wind 7 to 14 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Elkville IL
 37.9°N 89.25°W
Last Update:
1:54 pm CDT Aug 4, 2026
Forecast Valid:
3pm CDT Aug 4, 2026-6pm CDT Aug 10, 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