National Weather Service Forecast for: Milan, IL
Issued by: National Weather Service Quad Cities/Davenport, IA/IL
Updated: 08/17/2026 1:26am
Milan
 
  Monday

Monday: Sunny
Sunny
Tuesday

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

Wednesday: Chance Rain Showers then Partly Sunny
Chance Rain Showers then Partly Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Sunny
Sunny
Saturday

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

Sunday: Mostly Sunny
Mostly Sunny
  Hi 80 °F Hi 81 °F Hi 79 °F Hi 78 °F Hi 79 °F Hi 79 °F Hi 76 °F
 
Overnight

Overnight: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms then Mostly Clear
Slight Chance Showers And T-Storms then Mostly Clear
 
Lo 64 °F Lo 63 °F Lo 66 °F Lo 62 °F Lo 62 °F Lo 64 °F Lo 62 °F  

 

Overnight
 
Mostly clear, with a low around 64. Northwest wind around 5 mph.
Monday
 
Sunny, with a high near 80. Northwest wind 5 to 10 mph.
Monday Night
 
Mostly clear. Low around 63, with temperatures rising to around 65 overnight. Southwest wind 0 to 5 mph.
Tuesday
 
A chance of showers and thunderstorms between 1pm and 5pm, then showers and thunderstorms likely. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
A chance of rain showers before 7am. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Wednesday Night
 
Partly cloudy, with a low around 62.
Thursday
 
Mostly sunny, with a high near 78.
Thursday Night
 
Mostly clear, with a low around 62.
Friday
 
Sunny, with a high near 79.
Friday Night
 
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 64.
Saturday
 
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Saturday Night
 
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 62.
Sunday
 
Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Milan, IL.