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

88°F

31°C

Humidity 34%
Wind Speed E 9 mph
Barometer 30.11 in (1019.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 29 Sep 3:52 pm CDT
Extended Forecast for

3 Miles NE Jacob IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. East wind around 7 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. Light north wind.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Light southeast wind.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Light east southeast wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming south around 6 mph in the morning.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 88. East wind around 7 mph.
Tonight
Clear, with a low around 61. Light north wind.
Tuesday
Sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming east northeast around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 86. Light southeast wind.
Thursday Night
Mostly clear, with a low around 61. Light east southeast wind.
Friday
Sunny, with a high near 86. Calm wind becoming south around 6 mph in the morning.
Friday Night
Clear, with a low around 60. South southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 85. South wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 59. South southeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 85. South wind 3 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
Last Update:
2:16 pm CDT Sep 29, 2025
Forecast Valid:
4pm CDT Sep 29, 2025-6pm CDT Oct 5, 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