Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

9°F

-13°C

Humidity 70%
Wind Speed NW 12 mph
Barometer 30.35 in (1028.7 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 25 Jan 11:52 pm CST
Extended Forecast for

3 Miles NE Jacob IL

Extreme Cold Warning January 26, 12:49am until January 27, 10:00am
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 12:49am until January 27, 10:00am

    NOW until 10:00am Tue

    Extreme Cold Warning

  • Overnight

    Low: -4 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 16. Wind chill values as low as -18. Northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 16 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 3. Wind chill values as low as -12. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 32. Wind chill values as low as -7. South southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -1. North northwest wind around 5 mph becoming calm  in the evening.

    Low: -1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 29. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 29 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 21. Calm wind becoming north around 6 mph in the afternoon.

    High: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around -4. Wind chill values as low as -15. Northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 16. Wind chill values as low as -18. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 3. Wind chill values as low as -12. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 32. Wind chill values as low as -7. South southwest wind 6 to 9 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around -1. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 29. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 5. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 21. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 3. Light north wind.
Friday
Mostly sunny, with a high near 17. North wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around -3. North northwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 20. Northwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 3. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 28. South southwest wind 3 to 7 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
12:36 am CST Jan 26, 2026
12am CST Jan 26, 2026-6pm CST Feb 1, 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