Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

30°F

-1°C

Humidity 64%
Wind Speed S 12 mph
Barometer 30.21 in (1023.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 30 Dec 6:52 pm CST
Extended Forecast for

3 Miles NE Jacob IL

  • Tonight

    Tonight: Mostly clear, with a low around 26. Southwest wind around 6 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 43. West northwest wind 5 to 8 mph.

    High: 43 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. Light and variable wind.

    Low: 27 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 41. Light and variable wind.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 46. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. North northeast wind around 6 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. North wind 3 to 6 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Southwest wind around 6 mph.
Wednesday
Increasing clouds, with a high near 43. West northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 27. Light and variable wind.
New Year's Day
Partly sunny, with a high near 41. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 32. Calm wind.
Friday
Mostly cloudy, with a high near 46. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 26. North northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 42. North wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 26. Calm wind.
Sunday
Partly sunny, with a high near 47. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 35. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 53. West southwest wind 6 to 8 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 32. North northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 49. North northwest wind 3 to 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
4:16 pm CST Dec 30, 2025
7pm CST Dec 30, 2025-6pm CST Jan 6, 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