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.

Fair

93°F

34°C

Humidity 54%
Wind Speed S 18 G 26 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 21 Jun 3:52 pm CDT
Extended Forecast for

Elkville IL

Heat Advisory until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 24, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. South wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Heat index values as high as 106. South southwest wind 6 to 10 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 76. South wind 5 to 7 mph.

    Low: 76 °F

    Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. South southwest wind 5 to 7 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 105. South southwest wind around 13 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 75. South wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 96. Heat index values as high as 106. South southwest wind 6 to 10 mph.
Sunday Night
Clear, with a low around 76. South wind 5 to 7 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. South southwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. South southwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 95. South southwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 75. South southwest wind 3 to 6 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 5 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elkville IL
 37.9°N 89.25°W
Last Update:
2:15 pm CDT Jun 21, 2025
Forecast Valid:
4pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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