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.

Overcast

51°F

11°C

Humidity 66%
Wind Speed N 7 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 6 Nov 4:52 pm CST
Extended Forecast for

3 Miles S Ava IL

Freeze Watch November 7, 11:00pm until November 8, 08:00am
Freeze Warning November 6, 11:00pm until November 7, 08:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, mostly clear, with a low around 31. Light north wind.

    Low: 31 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Light north northwest wind.

    High: 55 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming west southwest around 5 mph.

    High: 65 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming south southwest around 5 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. South southwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, mostly clear, with a low around 31. Light north wind.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Light north northwest wind.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 31. Calm wind.
Sunday
Widespread frost before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming west southwest around 5 mph.
Sunday Night
Clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 69. Calm wind becoming south southwest around 5 mph.
Monday Night
Clear, with a low around 42. South southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 69. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Veterans Day
Mostly sunny, with a high near 66. Calm wind becoming north northwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 39. Light north northwest wind.
Thursday
Mostly sunny, with a high near 59. North northwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 35. Light north wind.
Friday
Sunny, with a high near 59. Calm wind becoming north northwest around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Ava IL
 37.84°N 89.51°W
Last Update:
5:31 pm CST Nov 6, 2026
Forecast Valid:
5pm CST Nov 6, 2026-6pm CST Nov 13, 2026
 
Forecast Discussion
 
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Additional Resources

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