Hourly Weather | Today Thursday, February 5, 2026
Active Weather Warnings
Rockford, Illinois
9 PM
Cloudy Weather
30°
Feels Like 27°
6
Humidity: 85%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
28°
Feels Like 21°
7
Humidity: 92%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
27°
Feels Like 19°
7
Frost Risk: 97%
Humidity: 94%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.46 µg/m³
  • PM10: 10.56 µg/m³
  • O3: 0.024 ppm
  • NO2: 6.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

10 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.9 µg/m³
  • PM10: 10 µg/m³
  • O3: 0.026 ppm
  • NO2: 5.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

11 PM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.68 µg/m³
  • PM10: 9.78 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Rockford

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued February 5 at 3:27PM CST by NWS Chicago IL
Feb 5, 3:27 PM Feb 5, 9:00 PM
A fast moving weather system will produce a short 3 to 5 hour period
of freezing drizzle late tonight into early Friday morning. While
significant ice amounts are not expected, a minor glaze of ice
will be possible on untreated surfaces such as sidewalks and side
streets. Accordingly, motorists and walkers should be prepared for
the possibility of some slick surfaces early Friday morning.
Updated: Feb 5, 8:52 PM Source: NWS Alert