National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

24°F

-4°C

Humidity 32%
Wind Speed NW 14 G 22 mph
Barometer 30.42 in (1030.7 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 19 Jan 12:52 pm CST
Extended Forecast for

3 Miles NE Jacob IL

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 24. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 11. Light and variable wind.

    Low: 11 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 37. Light south wind increasing to 6 to 11 mph in the morning.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. West southwest wind around 5 mph becoming north northwest after midnight.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. North northwest wind around 6 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. North wind 3 to 7 mph.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow showers after noon. Mostly cloudy, with a high near 24. North wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

Detailed Forecast

M.L.King Day
Mostly sunny, with a high near 24. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 11. Light and variable wind.
Tuesday
Sunny, with a high near 37. Light south wind increasing to 6 to 11 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 28. South wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 47. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 25. West southwest wind around 5 mph becoming north northwest after midnight.
Thursday
Mostly sunny, with a high near 39. North northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 15. North wind 3 to 7 mph.
Friday
A slight chance of snow showers after noon. Mostly cloudy, with a high near 24. North wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 3. North wind around 11 mph, with gusts as high as 18 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 15. North wind around 11 mph, with gusts as high as 18 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 6. North wind 6 to 9 mph.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 23. North wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
Last Update:
1:06 pm CST Jan 19, 2026
Forecast Valid:
1pm CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

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Chance of Precipitation