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Derby, Illinois Weather Forecast
Derby, Illinois Weather
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Weather Forecast for Derby, Illinois : Saline County
Issued: 10:51 am CST Dec 4, 2025 Latitude: 37.6289374 Longitude: -88.385598 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Partly Sunny on Today Mostly Cloudy on Tonight Sunny on Friday Mostly Sunny on Saturday 20% chance of rain on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday 20% chance of  on Wednesday
High: 31°F Low: 20°F High: 38°F High: 43°F High: 39°F High: 34°F High: 43°F High: 48°F
Low: 26°F Low: 28°F Low: 22°F Low: 22°F Low: 32°F  
Partly Sunny Mostly Cloudy Sunny Mostly Sunny Rain Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
HARRISBURG-RALEIGH - (KHSB)
28°
Feels like 19°F
Clear
as of 10:55 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Wind Data
10 MPH
020° North
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
28°
Feels like 18°F
Cloudy
as of 10:45 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 7 Miles
Pressure: 30.39 in.
Flight Rule: MVFR
Wind Data
12 MPH
0° North
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
32°
Mostly Cloudy
as of 10:55 AM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.36 in.
Flight Rule: MVFR
Wind Data
8 MPH
0° North
Cloud Level(s): Broken at 1900ft
Current Conditions at
HENDERSON CITY - (KEHR)
34°
Cloudy
as of 10:56 AM CST
Rel. Humidity: 69%
Dew Point: 25°F
Pressure: 30.36 in.
Wind Data
8 MPH
0° North
Cloud Level(s): Scattered at 1600ft, Solid Overcast at 2300ft
Partly Sunny on Today Today... Partly sunny, with a high near 31. North northeast wind 3 to 6 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 20. Calm wind.

Sunny on Friday Friday... Sunny, with a high near 38. Light and variable wind.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 26. Light southwest wind.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 43. Calm wind.

20% chance of freezing rain Saturday Night Saturday Night... A slight chance of rain showers between midnight and 3am, then a slight chance of freezing rain after 3am. Mostly cloudy, with a low around 28. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.

20% chance of rain Sunday Sunday... A 20 percent chance of showers before noon. Mostly cloudy, with a high near 39. North wind 5 to 7 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 22. North wind around 6 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 34. North wind around 5 mph becoming calm in the morning.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 22. Calm wind becoming south southwest around 6 mph after midnight.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 43. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32. South southwest wind 6 to 10 mph.

20% chance of  Wednesday Wednesday... A chance of showers. Partly sunny, with a high near 48. South southwest wind 8 to 11 mph, with gusts as high as 21 mph.

Current Radar Image


Sun Almanac for Derby, Illinois
Sunrise: 06:53 AM
Sunset: 4:35 PM
Civil Sunrise:06:24 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 5:36 PM
Astro Sunrise: 05:20 AM
Astro Sunset: 6:08 PM
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