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.

Fog/Mist

41°F

5°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 30.18 in (1022.3 mb)
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 2 Mar 10:52 pm CST
Extended Forecast for

3 Miles NE Jacob IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 4am. Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 66. Calm wind becoming south southwest 5 to 9 mph in the morning. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 54. South wind around 6 mph becoming east in the evening. Chance of precipitation is 70%.

    Low: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 73. South southwest wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind around 8 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 72. Southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 58. South wind around 7 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Partly sunny, with a high near 79. South wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 79 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 4am. Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 70%.
Tuesday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 66. Calm wind becoming south southwest 5 to 9 mph in the morning. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 54. South wind around 6 mph becoming east in the evening. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 73. South southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind around 8 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 72. Southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 58. South wind around 7 mph. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Partly sunny, with a high near 79. South wind 7 to 17 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 18 mph.
Saturday
Showers and possibly a thunderstorm before noon, then showers likely. Cloudy, with a high near 71. Southwest wind 7 to 11 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming light and variable in the evening.
Sunday
A chance of showers. Mostly cloudy, with a high near 67. South southwest wind 3 to 7 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 53. South southwest wind around 6 mph.
Monday
A chance of showers. Mostly sunny, with a high near 70. West southwest wind 5 to 10 mph becoming south in the afternoon.
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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:
9:32 pm CST Mar 2, 2026
Forecast Valid:
11pm CST Mar 2, 2026-6pm CDT Mar 9, 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