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

66°F

19°C

Humidity 40%
Wind Speed N 10 G 18 mph
Barometer 30.28 in (1025.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 6 Apr 1:52 pm CDT
Extended Forecast for

3 Miles NE Jacob IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. North northwest wind 7 to 10 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. North northeast wind 5 to 7 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. East northeast wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. East wind 5 to 8 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

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

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75. South wind 7 to 10 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. South southeast wind around 7 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 78. South southwest wind 5 to 8 mph.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 68. North northwest wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 39. North northeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 59. East northeast wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 39. East wind 5 to 8 mph.
Wednesday
Mostly 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 wind around 8 mph.
Thursday
Sunny, with a high near 75. South wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 54. South southeast wind around 7 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 78. South southwest wind 5 to 8 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Southwest wind around 6 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Light and variable wind becoming south southeast around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 60. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 83. South wind 6 to 15 mph, with gusts as high as 23 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:
1:27 pm CDT Apr 6, 2026
Forecast Valid:
2pm CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
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