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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

38°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.30 in (1026.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 6 Apr 6:52 am CDT
Extended Forecast for

3 Miles NE Jacob IL

  • Today

    Today: Sunny, with a high near 66. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. North northeast wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. East northeast wind 7 to 9 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. East southeast wind 5 to 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73. South wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South southeast wind around 8 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. South wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. South wind 5 to 7 mph.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 76. South wind 5 to 8 mph.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 66. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 41. North northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 58. East northeast wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 40. East southeast wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 73. South wind 5 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 52. South southeast wind around 8 mph.
Thursday
Mostly sunny, with a high near 72. South wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. South wind 5 to 7 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. South wind 5 to 8 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South southwest wind around 6 mph becoming light and variable in the evening.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. South wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 61. South southeast wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 6 to 15 mph, with gusts as high as 22 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:
5:31 am CDT Apr 6, 2026
Forecast Valid:
7am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
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Additional Resources

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Chance of Precipitation