Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

39°F

4°C

Humidity 76%
Wind Speed S 18 mph
Barometer 29.90 in (1012.8 mb)
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Wind Chill30°F (-1°C)
Last update 9 Dec 1:52 pm CST
Extended Forecast for

3 Miles NW Royalton IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. South southwest wind 13 to 17 mph, with gusts as high as 31 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers between 1am and 3am.  Mostly cloudy, with a temperature rising to around 46 by 3am. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 33 mph.  Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 38 by 5pm. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 36 mph.

    High: 46 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming light west northwest  after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 40. Calm wind becoming west southwest around 6 mph in the morning.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. South wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Southwest wind 6 to 10 mph becoming north northwest in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24. North northwest wind 6 to 8 mph.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 38. North wind around 7 mph.

    High: 38 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. South southwest wind 13 to 17 mph, with gusts as high as 31 mph.
Tonight
A slight chance of showers between 1am and 3am. Mostly cloudy, with a temperature rising to around 46 by 3am. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a temperature falling to around 38 by 5pm. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 36 mph.
Wednesday Night
Mostly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
Mostly cloudy, with a high near 40. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 34. South wind around 6 mph.
Friday
Mostly sunny, with a high near 50. Southwest wind 6 to 10 mph becoming north northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 24. North northwest wind 6 to 8 mph.
Saturday
Mostly cloudy, with a high near 38. North wind around 7 mph.
Saturday Night
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 13. North wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 26. North wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 15. North northeast wind around 6 mph becoming calm in the evening.
Monday
A slight chance of showers. Mostly sunny, with a high near 38. Light and variable wind becoming south 5 to 8 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Royalton IL
 37.92°N 89.16°W
2:11 pm CST Dec 9, 2025
2pm CST Dec 9, 2025-6pm CST Dec 15, 2025
 
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Additional Resources

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Hourly Weather Forecast

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