National Weather Service Forecast for: Milan, IL
Issued by: National Weather Service Quad Cities/Davenport, IA/IL
Updated: 09/01/2026 1:26pm
Milan
 
This
Afternoon
This Afternoon: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Sunday

Sunday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Labor
Day
Labor Day: Slight Chance Rain Showers then Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
 
Hi 92 °F Hi 93 °F Hi 93 °F Hi 91 °F Hi 90 °F Hi 86 °F Hi 83 °F  
 
Tonight

Tonight: Clear
Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday
Night
Sunday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
 
Lo 73 °F Lo 74 °F Lo 75 °F Lo 73 °F Lo 71 °F Lo 68 °F Lo 65 °F  

Heat Advisory issued September 1 at 12:47PM CDT until September 3 at 7:00PM CDT
Heat Advisory issued September 1 at 9:06AM CDT until September 3 at 7:00PM CDT
 

This Afternoon
 
Sunny, with a high near 92. Heat index values as high as 102. Southwest wind around 10 mph.
Tonight
 
Clear, with a low around 73. South wind around 5 mph.
Wednesday
 
Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 15 mph.
Wednesday Night
 
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Thursday
 
Sunny, with a high near 93.
Thursday Night
 
Mostly clear, with a low around 75.
Friday
 
A chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Friday Night
 
Partly cloudy, with a low around 73.
Saturday
 
Mostly sunny, with a high near 90.
Saturday Night
 
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71.
Sunday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
 
A slight chance of rain showers. Partly cloudy, with a low around 68.
Labor Day
 
A slight chance of rain showers before 7am. Mostly sunny, with a high near 83.
Monday Night
 
Partly cloudy, with a low around 65.

 

Forecast from NOAA-NWS for Milan, IL.