National Weather Service Forecast for: Milan, IL
Issued by: National Weather Service Quad Cities/Davenport, IA/IL
Updated: 09/01/2026 9:11am
Milan
 
Today

Today: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday

Sunday: Chance Rain Showers
Chance Rain Showers
Labor
Day
Labor Day: Mostly Sunny
Mostly Sunny
 
Hi 92 °F Hi 93 °F Hi 92 °F Hi 92 °F Hi 92 °F Hi 88 °F Hi 85 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Mostly Clear then Slight Chance Showers And Thunderstorms
Mostly Clear then Slight Chance Showers And T-Storms
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday
Night
Monday Night: Partly Cloudy then Slight Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
 
Lo 76 °F Lo 76 °F Lo 76 °F Lo 75 °F Lo 72 °F Lo 68 °F Lo 66 °F  

Heat Advisory issued September 1 at 9:06AM CDT until September 3 at 7:00PM CDT
 

Today
 
Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind 5 to 10 mph.
Tonight
 
Mostly clear, with a low around 76. South wind around 5 mph.
Wednesday
 
Sunny, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
Mostly clear, with a low around 76. Heat index values as high as 101. South wind 5 to 10 mph.
Thursday
 
Sunny, with a high near 92.
Thursday Night
 
Mostly clear, with a low around 76.
Friday
 
Mostly sunny, with a high near 92.
Friday Night
 
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75.
Saturday
 
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
Saturday Night
 
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday
 
A chance of rain showers before 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Sunday Night
 
Partly cloudy, with a low around 68.
Labor Day
 
Mostly sunny, with a high near 85.
Monday Night
 
A slight chance of rain showers after 1am. Partly cloudy, with a low around 66.

 

Forecast from NOAA-NWS for Milan, IL.