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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

5°F

-15°C

Humidity 57%
Wind Speed NW 7 mph
Barometer 30.56 in (1035.8 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 26 Jan 9:52 am CST
Extended Forecast for

Ava IL

Extreme Cold Warning January 26, 10:47am until January 27, 10:00am
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 10:47am until January 27, 10:00am

    NOW until 10:00am Tue

    Extreme Cold Warning

  • Today

    High: 14 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 9 by 5am. Wind chill values as low as -11. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 4 °F⇑

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 30. Wind chill values as low as -5. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2. North northwest wind around 6 mph becoming calm in the evening.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 27. Calm wind becoming west southwest around 6 mph in the morning.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. South southwest wind around 5 mph becoming light and variable in the evening.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 20. North wind 3 to 6 mph.

    High: 20 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. North wind 3 to 6 mph.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 14. Wind chill values as low as -13. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a temperature rising to around 9 by 5am. Wind chill values as low as -11. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 30. Wind chill values as low as -5. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around -2. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 27. Calm wind becoming west southwest around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 5. South southwest wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly cloudy, with a high near 20. North wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 2. North wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 16. North wind around 7 mph.
Friday Night
Mostly clear, with a low around -4. North northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 19. Northwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 3. West northwest wind around 5 mph becoming light and variable.
Sunday
Partly sunny, with a high near 27. South southwest wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ava IL
 37.89°N 89.5°W
Last Update:
7:16 am CST Jan 26, 2026
Forecast Valid:
10am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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