Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

45°F

7°C

Humidity 57%
Wind Speed W 3 mph
Barometer 29.76 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 25 Feb 7:49 am CST
Extended Forecast for

3 Miles NE Jacob IL

  • Today

    Today: Mostly cloudy, with a high near 58. Calm wind becoming northeast around 5 mph.

    High: 58 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers between midnight and 5am.  Mostly cloudy, with a low around 36. East northeast wind 3 to 6 mph.  Chance of precipitation is 40%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before noon.  Mostly cloudy, then gradually becoming sunny, with a high near 55. East northeast wind around 6 mph.

    High: 55 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. South southwest wind 3 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68. Light south southwest wind becoming south 5 to 10 mph in the morning.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after midnight.  Partly cloudy, with a low around 36. Southeast wind around 10 mph becoming north in the evening.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly after noon.  Mostly cloudy, with a high near 51. Northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 51 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 58. Calm wind becoming northeast around 5 mph.
Tonight
A chance of showers between midnight and 5am. Mostly cloudy, with a low around 36. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 55. East northeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 33. Light and variable wind.
Friday
Sunny, with a high near 66. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 43. South southwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 68. Light south southwest wind becoming south 5 to 10 mph in the morning.
Saturday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 36. Southeast wind around 10 mph becoming north in the evening.
Sunday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 51. Northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 36. East northeast wind around 9 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 48. North northeast wind 8 to 10 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 33. Northeast wind 6 to 8 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 51. Northeast wind 6 to 8 mph becoming northwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Jacob IL
 37.78°N 89.51°W
4:12 am CST Feb 25, 2026
8am CST Feb 25, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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