Mill Creek, Illinois Weather
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Weather Forecast for Mill Creek, Illinois : Union County
Issued: 2:46 am CDT Sep 16, 2025 Latitude: 37.3417165 Longitude: -89.2525822 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Morning Fog on Overnight Morning Fog on Tuesday Sunny on Wednesday Sunny on Thursday 10% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday 10% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday
Low: 70°F High: 93°F High: 93°F High: 94°F High: 91°F High: 85°F High: 86°F High: 85°F
Low: 66°F Low: 64°F Low: 66°F Low: 65°F Low: 65°F Low: 66°F  
Morning Fog Morning Fog Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
CAIRO - (KCIR)
68°
Clear
as of 3:15 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 7 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
68°
Clear
as of 3:15 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CARBONDALE - (KMDH)
66°
Clear
Mist
as of 2:52 AM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 5 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
3 MPH
350° North
Cloud Level(s): Clear
Morning Fog on Overnight Overnight... Patchy fog after 5am. Otherwise, mostly clear, with a steady temperature around 70. Calm wind.
Morning Fog on Tuesday Tuesday... Patchy fog before 8am. Otherwise, mostly sunny, with a high near 93. Light east wind.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 66. Calm wind.
Sunny on Wednesday Wednesday... Sunny, with a high near 93. Light northeast wind.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 64. Calm wind.
Sunny on Thursday Thursday... Sunny, with a high near 94. Light south wind.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 66. Calm wind.
10% chance of thunderstorms Friday Friday... A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 65. Calm wind.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.
10% chance of rain Saturday Night Saturday Night... A slight chance of showers. Partly cloudy, with a low around 65. Calm wind.
10% chance of thunderstorms Sunday Sunday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the morning.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Partly cloudy, with a low around 66. Light south southeast wind.
20% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming south around 6 mph in the morning.
Current Radar Image


Sun Almanac for Mill Creek, Illinois
Sunrise: 06:40 AM
Sunset: 7:03 PM
Civil Sunrise:06:14 AM
Civil Sunset: 7:29 PM
Nautical Sunrise: 05:44 AM
Nautical Sunset: 8:00 PM
Astro Sunrise: 05:12 AM
Astro Sunset: 8:31 PM
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