Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

A Few Clouds

35°F

2°C

Humidity 48%
Wind Speed N 17 G 25 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Jan 4:52 pm CST
Extended Forecast for

3 Miles NE Jacob IL

  • Tonight

    Tonight: Clear, with a low around 19. North northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 19 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 35. Northwest wind around 6 mph becoming south southwest in the afternoon.

    High: 35 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a steady temperature around 32. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 46. West wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. West wind 8 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10. Northwest wind 6 to 9 mph.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 26. West northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 26 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16. South southwest wind around 9 mph becoming west after midnight.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 19. North northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 35. Northwest wind around 6 mph becoming south southwest in the afternoon.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a steady temperature around 32. South wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 46. West wind 9 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 23. West wind 8 to 10 mph.
Saturday
Partly sunny, with a high near 29. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 10. Northwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 26. West northwest wind 6 to 10 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 16. South southwest wind around 9 mph becoming west after midnight.
M.L.King Day
Mostly sunny, with a high near 30. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 11. Northwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 34. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 20. South southwest wind around 8 mph.
Wednesday
Sunny, with a high near 41. South southwest wind 7 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
3:36 pm CST Jan 14, 2026
5pm CST Jan 14, 2026-6pm CST Jan 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database