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.

Overcast

25°F

-4°C

Humidity 53%
Wind Speed W 12 G 22 mph
Barometer 30.31 in (1026.9 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 29 Dec 1:52 pm CST
Extended Forecast for

3 Miles NE Jacob IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 26. West northwest wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 26 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 37. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. South southwest wind around 6 mph becoming west after midnight.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West northwest wind 5 to 8 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 43. Calm wind becoming north northeast around 5 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after noon. Mostly cloudy, with a high near 48. Calm wind becoming southeast around 5 mph.

    High: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 26. West northwest wind 14 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 17. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 37. Northwest wind around 7 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 26. South southwest wind around 6 mph becoming west after midnight.
Wednesday
Mostly sunny, with a high near 45. West northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 26. Light and variable wind.
New Year's Day
Mostly sunny, with a high near 43. Calm wind becoming north northeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 31. Calm wind.
Friday
A slight chance of showers after noon. Mostly cloudy, with a high near 48. Calm wind becoming southeast around 5 mph.
Friday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 31. North wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 45. North wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 28. Light and variable wind.
Sunday
Mostly sunny, with a high near 48. Calm wind becoming south southwest 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
Last Update:
1:51 pm CST Dec 29, 2025
Forecast Valid:
2pm CST Dec 29, 2025-6pm CST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation