Today | Weather | Monday, April 27, 2026
Active Weather Warnings

Weather in Rockford, Illinois

03:37 PM
Now
Stormy Weather
68° F
Feels Like 63°
Precipitation 61 %
Wind 20 mph
UV Index (0 - 11+) 1
Humidity 77 %
Today
Stormy Weather
Day 68°
Night 48°
Precipitation 100 %
Wind 14 mph
UV Index (0 - 11+) 2

Rockford Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 27, 2025)
Cloudy Weather

Day

70°

Night

50°

Wind

11 mph

UV Index

8

Precipitation

1 %

Air Quality in Rockford

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.07 µg/m³
PM10 2.17 µg/m³
O3 0.034 ppm
NO2 0.9 ppb
SO2 0.5 ppb
CO 0.12 ppm
NH3 1.46 µg/m³
NO 0.21 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.52.07 µg/m³
PM102.17 µg/m³
O366.36 µg/m³
NO21.62 µg/m³
SO21.18 µg/m³
CO134.45 µg/m³
NH31.46 µg/m³
NO0.21 µg/m³

Weather Alerts and Warnings for Rockford

Moderate Expected Likely

Wind Advisory

Wind Advisory issued April 27 at 12:50PM CDT until April 27 at 4:00PM CDT by NWS Chicago IL
Apr 27, 12:50 PM Apr 27, 4:00 PM
WHAT: Southeast to south winds 20 to 25 mph with gusts up to 50
mph.

WHERE: Portions of north central and northeast Illinois and
northwest Indiana.

WHEN: Until 4 PM CDT this afternoon.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
+ Read More
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Updated: Apr 27, 2:30 PM Source: NWS Alert