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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles S Jacob IL

Flood Watch until June 16, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 16, 07:00pm

    NOW until 7:00pm Mon

    Flood Watch

  • Overnight

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely, mainly between 3pm and 4pm. Some of the storms could produce heavy rainfall. High near 80. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers
    Likely then
    Heavy Rain

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 70. East southeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 88. South southwest wind 3 to 8 mph.

    High: 88 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 6 to 9 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 89 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 70. South southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 86. Northwest wind around 6 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 70. Calm wind.
Monday
Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely, mainly between 3pm and 4pm. Some of the storms could produce heavy rainfall. High near 80. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 70. East southeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 88. South southwest wind 3 to 8 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 6 to 9 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 70. South southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Juneteenth
Mostly sunny, with a high near 86. Northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 68. Light and variable wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Saturday
Sunny, with a high near 93. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 6 to 10 mph.
Sunday
Sunny, with a high near 93. South wind 6 to 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Jacob IL
 37.71°N 89.54°W
Last Update:
2:01 am CDT Jun 16, 2025
Forecast Valid:
2am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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