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.

Fair

64°F

18°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 12:52 am CDT
Extended Forecast for

Elkville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Light west southwest wind.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 86. Southeast wind 5 to 10 mph becoming south southwest 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    High: 86 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 69. South southwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    Low: 69 °F

    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. Northwest wind 9 to 11 mph.

    High: 81 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming light in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light north northeast wind.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Light north northeast wind.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 87. Light west southwest wind.
Saturday Night
Partly cloudy, with a low around 67. Calm wind.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 86. Southeast wind 5 to 10 mph becoming south southwest 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 69. South southwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. Northwest wind 9 to 11 mph.
Monday Night
Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming light in the evening.
Tuesday
Mostly sunny, with a high near 82. Light north northeast wind.
Tuesday Night
Partly cloudy, with a low around 63. Light north northeast wind.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming west around 6 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. West northwest wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Elkville IL
 37.92°N 89.22°W
Last Update:
12:46 am CDT Jun 20, 2026
Forecast Valid:
12am CDT Jun 20, 2026-6pm CDT Jun 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