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.

Mostly Cloudy

70°F

21°C

Humidity 73%
Wind Speed SW 14 G 23 mph
Barometer 29.82 in (1009.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Nov 1:52 pm CST
Extended Forecast for

3 Miles NE Jacob IL

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms, then a chance of showers after 3pm. Partly sunny, with a high near 70. South southwest wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61. Light north wind.

    High: 61 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon. High near 62. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 90%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 55. Light and variable wind. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers. High near 65. East northeast wind 3 to 8 mph. Chance of precipitation is 90%.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 50. East northeast wind around 6 mph becoming north after midnight.

    Low: 50 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 61. North wind 3 to 7 mph.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms, then a chance of showers after 3pm. Partly sunny, with a high near 70. South southwest wind 6 to 10 mph. Chance of precipitation is 40%.
Tonight
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 61. Light north wind.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.
Thursday
Showers, with thunderstorms also possible after noon. High near 62. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 55. Light and variable wind. Chance of precipitation is 80%.
Friday
Showers. High near 65. East northeast wind 3 to 8 mph. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 50. East northeast wind around 6 mph becoming north after midnight.
Saturday
Partly sunny, with a high near 61. North wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 43. Calm wind.
Sunday
Mostly sunny, with a high near 62. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 44. Light south southwest wind.
Monday
A chance of showers. Mostly cloudy, with a high near 62. 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:
2:17 pm CST Nov 18, 2025
Forecast Valid:
2pm CST Nov 18, 2025-6pm CST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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