National Weather Service Forecast for: Milan, IL
Issued by: National Weather Service Quad Cities/Davenport, IA/IL
Updated: 09/04/2026 4:01am
Milan
 
  Friday

Friday: Sunny
Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Labor
Day
Labor Day: Mostly Sunny
Mostly Sunny
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Chance Showers And T-Storms then Slight Chance Showers And T-Storms
Thursday

Thursday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
  Hi 94 °F Hi 92 °F Hi 86 °F Hi 85 °F Hi 91 °F Hi 91 °F Hi 85 °F
 
Overnight

Overnight: Clear
Clear
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday
Night
Tuesday Night: Partly Cloudy then Chance Showers And Thunderstorms
Partly Cloudy then Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 75 °F Lo 74 °F Lo 69 °F Lo 67 °F Lo 68 °F Lo 76 °F Lo 71 °F  

Extreme Heat Warning issued September 4 at 2:37AM CDT until September 5 at 7:00PM CDT
 

Overnight
 
Clear, with a low around 75. Southwest wind around 10 mph.
Friday
 
Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 5 to 10 mph.
Friday Night
 
Partly cloudy, with a low around 74. Heat index values as high as 101. Southwest wind 0 to 5 mph.
Saturday
 
Sunny, with a high near 92. Heat index values as high as 102. North wind 0 to 5 mph.
Saturday Night
 
Mostly clear, with a low around 69.
Sunday
 
Mostly sunny, with a high near 86.
Sunday Night
 
Partly cloudy, with a low around 67.
Labor Day
 
Mostly sunny, with a high near 85.
Monday Night
 
Partly cloudy, with a low around 68.
Tuesday
 
Mostly sunny, with a high near 91.
Tuesday Night
 
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Wednesday
 
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
 
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
 
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Milan, IL.