National Weather Service Forecast for: Milan, IL
Issued by: National Weather Service Quad Cities/Davenport, IA/IL
Updated: 07/20/2026 5:46pm
Milan
 
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Slight Chance Rain Showers
Slight Chance Rain Showers
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
 
Hi 89 °F Hi 84 °F Hi 78 °F Hi 80 °F Hi 78 °F Hi 86 °F Hi 93 °F  
 
Tonight

Tonight: Showers And Thunderstorms Likely then Showers And Thunderstorms
Showers And T-Storms Likely then Showers And T-Storms
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday
Night
Friday Night: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear then Slight Chance Showers And Thunderstorms
Mostly Clear then Slight Chance Showers And T-Storms
 
Lo 73 °F Lo 61 °F Lo 57 °F Lo 60 °F Lo 62 °F Lo 67 °F Lo 72 °F  

Severe Thunderstorm Watch issued July 20 at 5:59PM CDT until July 20 at 11:00PM CDT
Severe Thunderstorm Watch issued July 20 at 5:39PM CDT until July 20 at 11:00PM CDT
Flash Flood Warning issued July 20 at 1:11PM CDT until July 20 at 6:15PM CDT
Flash Flood Warning issued July 20 at 12:20PM CDT until July 20 at 6:15PM CDT
Air Quality Alert issued July 20 at 3:05AM CDT
 

This Afternoon
 
Mostly sunny, with a high near 89. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
 
Showers and thunderstorms likely before midnight, then showers and thunderstorms between midnight and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
Sunny, with a high near 84. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
 
Mostly clear, with a low around 61. North wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
 
Sunny, with a high near 78.
Wednesday Night
 
Mostly clear, with a low around 57.
Thursday
 
Sunny, with a high near 80.
Thursday Night
 
Partly cloudy, with a low around 60.
Friday
 
A slight chance of rain showers after 7am. Partly sunny, with a high near 78.
Friday Night
 
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 62.
Saturday
 
Sunny, with a high near 86.
Saturday Night
 
Mostly clear, with a low around 67.
Sunday
 
Sunny, with a high near 93.
Sunday Night
 
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.

 

Forecast from NOAA-NWS for Milan, IL.