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.

A Few Clouds

47°F

8°C

Humidity 54%
Wind Speed NE 7 mph
Barometer 30.39 in (1029.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Apr 7:52 am CDT
Extended Forecast for

3 Miles NE Jacob IL

  • Today

    Today: Partly sunny, with a high near 59. Light north northeast wind becoming east northeast 5 to 10 mph in the morning.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. East wind 5 to 8 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. East southeast wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South wind around 8 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. South wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. South wind around 7 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Southwest wind 6 to 9 mph.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 59. Light north northeast wind becoming east northeast 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 39. East wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 73. East southeast wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 51. South wind around 8 mph.
Thursday
Sunny, with a high near 76. South wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 53. South wind around 7 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Southwest wind 6 to 9 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 83. South wind 6 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 11 to 13 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.
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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:
7:52 am CDT Apr 7, 2026
Forecast Valid:
7am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
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Additional Resources

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