National Weather Service Forecast for: Milan, IL
Issued by: National Weather Service Quad Cities/Davenport, IA/IL
Updated: 08/30/2026 11:46pm
Milan
 
  Monday

Monday: Slight Chance Showers And Thunderstorms then Mostly Sunny
Slight Chance Showers And T-Storms then Mostly Sunny
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

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

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

Saturday: Slight Chance Rain Showers then Sunny
Slight Chance Rain Showers then Sunny
Sunday

Sunday: Sunny
Sunny
  Hi 89 °F Hi 94 °F Hi 94 °F Hi 90 °F Hi 89 °F Hi 88 °F Hi 86 °F
 
Overnight

Overnight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Partly Cloudy then Chance Showers And Thunderstorms
Partly Cloudy then Chance Showers And T-Storms
Friday
Night
Friday Night: Mostly Clear then Slight Chance Rain Showers
Mostly Clear then Slight Chance Rain Showers
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
 
Lo 74 °F Lo 75 °F Lo 76 °F Lo 75 °F Lo 72 °F Lo 69 °F Lo 67 °F  

Heat Advisory issued August 30 at 8:06PM CDT until September 2 at 7:00PM CDT
Heat Advisory issued August 30 at 1:04PM CDT until September 2 at 7:00PM CDT
 

Overnight
 
A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday
 
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and 11am. Mostly sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
 
Partly cloudy, with a low around 75. South wind around 5 mph.
Tuesday
 
Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Tuesday Night
 
Mostly clear, with a low around 76.
Wednesday
 
Sunny, with a high near 94.
Wednesday Night
 
Mostly clear, with a low around 75.
Thursday
 
A chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
 
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
 
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Friday Night
 
A slight chance of rain showers after 1am. Mostly clear, with a low around 69.
Saturday
 
A slight chance of rain showers before 7am. Sunny, with a high near 88.
Saturday Night
 
Mostly clear, with a low around 67.
Sunday
 
Sunny, with a high near 86.

 

Forecast from NOAA-NWS for Milan, IL.