Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

35°F

2°C

Humidity 61%
Wind Speed N 6 mph
Barometer 30.61 in (1036.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 28 Mar 4:52 am CDT
Extended Forecast for

3 Miles NE Jacob IL

Freeze Warning until March 28, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until March 28, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Overnight

    Low: 36 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. Southeast wind 3 to 5 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 69. South southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 83 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Overnight
Clear, with a steady temperature around 36. Light north wind.
Saturday
Sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 38. Southeast wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 69. South southwest wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 79. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 64. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 83. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. South southwest wind 11 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Showers likely, mainly before 1pm. Cloudy, with a high near 61. North wind around 11 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers. Cloudy, with a low around 43. Northeast wind around 10 mph, with gusts as high as 18 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 57. Northeast wind around 10 mph, with gusts as high as 18 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. East wind 6 to 8 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 70. East wind 6 to 9 mph becoming south in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
4:26 am CDT Mar 28, 2026
5am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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