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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

31°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 30.20 in (1023.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 8 Nov 5:52 am CST
Extended Forecast for

5 Miles N Jacob IL

Freeze Warning November 8, 06:24am until November 8, 08:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning November 8, 06:24am until November 8, 08:00am

    NOW until 8:00am Sun

    Freeze Warning

  • Today

    High: 65 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, sunny, with a high near 66. Calm wind.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. Light west southwest wind.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Light west southwest wind.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 43. North northwest wind 5 to 8 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming west southwest around 5 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 40. Calm wind.
Monday
Patchy fog before 10am. Otherwise, sunny, with a high near 66. Calm wind.
Monday Night
Clear, with a low around 43. Light west southwest wind.
Tuesday
Sunny, with a high near 70. Light west southwest wind.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Veterans Day
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 43. North northwest wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 54. North wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 34. North wind 5 to 8 mph.
Friday
Sunny, with a high near 50. North northwest wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 31. Calm wind.
Saturday
Sunny, with a high near 55. Calm wind becoming northwest around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Jacob IL
 37.82°N 89.56°W
Last Update:
5:01 am CST Nov 8, 2026
Forecast Valid:
6am CST Nov 8, 2026-6pm CST Nov 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation