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

49°F

9°C

Humidity 83%
Wind Speed NW 14 G 21 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Mar 7:52 pm CST
Extended Forecast for

3 Miles NE Jacob IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind around 6 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 61. South wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. South southwest wind 8 to 17 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 58. South southwest wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 71. South southwest wind 15 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight. Partly cloudy, with a low around 33. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 45. South southwest wind around 6 mph.
Monday
Sunny, with a high near 75. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Monday Night
A slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 61. South wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. South southwest wind 8 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 58. South southwest wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 71. South southwest wind 15 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 33. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 55. Northwest wind 6 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 40. South wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 66. Southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 41. Southwest wind 7 to 10 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly cloudy, with a high near 60. Northeast wind 7 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 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:
4:46 pm CST Mar 7, 2026
Forecast Valid:
8pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation