National Weather Service Forecast for: Rockford IL
Issued by: National Weather Service Chicago, IL
Updated: 11:46 am CDT May 26, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 86. South wind around 5 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 62. South southeast wind around 5 mph.
Partly Cloudy

 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.
Mostly Sunny
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 55. Northeast wind around 10 mph, with gusts as high as 25 mph.
Slight Chance
T-storms then
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 49.
Mostly Clear

 Friday

Friday: Sunny, with a high near 82.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 54.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 80.
Sunny
Hi 86 °F Lo 62 °F Hi 86 °F Lo 55 °F Hi 77 °F Lo 49 °F Hi 82 °F Lo 54 °F Hi 80 °F

 

This Afternoon
 
 Mostly sunny, with a high near 86. South wind around 5 mph.
Tonight
 
 Partly cloudy, with a low around 62. South southeast wind around 5 mph.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
 
 A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 55. Northeast wind around 10 mph, with gusts as high as 25 mph.
Thursday
 
 Sunny, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
 
 Mostly clear, with a low around 49.
Friday
 
 Sunny, with a high near 82.
Friday Night
 
 Mostly clear, with a low around 54.
Saturday
 
 Sunny, with a high near 80.
Saturday Night
 
 Mostly clear, with a low around 52.
Sunday
 
 Sunny, with a high near 79.
Sunday Night
 
 Mostly clear, with a low around 53.
Monday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Rockford IL.