Today | Weather | Monday, April 27, 2026

Active Weather Warnings

Wind Advisory

Weather in Rockford, Illinois

03:37 PM

Now

68° F

Feels Like 63°

Precipitation 61 %

Wind 20 mph

UV Index (0 - 11+) 1

Humidity 77 %

Today

Day 68°

Night 48°

Precipitation 100 %

Wind 14 mph

UV Index (0 - 11+) 2

Rockford Weather Forecast Updated

Last updated on April 27, 2026 at 2:30 PM

Weather Forecast History

Last Year's Weather on This Day (April 27, 2025)

Day

70°

Night

50°

Wind

11 mph

UV Index

Precipitation

1 %

Air Quality in Rockford

NOW

31 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 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

PM_2.5 – 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)

PM_2.5 – 2.07 µg/m³

PM₁₀ – 2.17 µg/m³

O₃ – 66.36 µg/m³

NO₂ – 1.62 µg/m³

SO₂ – 1.18 µg/m³

CO – 134.45 µg/m³

NH₃ – 1.46 µg/m³

NO – 0.21 µg/m³

View Hourly Air Quality Forecast

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.

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Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Updated: Apr 27, 2:30 PM Source: NWS Alert