Today | Weather | Saturday, May 23, 2026
Active Weather Warnings

Weather in Evanston, Illinois

07:54 AM
Now
Cloudy Weather
57° F
Feels Like 55°
Precipitation 19 %
Wind 8 mph
UV Index (0 - 11+) 1
Humidity 78 %
Today
Cloudy Weather
Day 57°
Night 55°
Precipitation 19 %
Wind 9 mph
UV Index (0 - 11+) 3

Evanston Weather Forecast Updated

Last updated on

Air Quality in Evanston

NOW
27 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 6.45 µg/m³
PM10 6.78 µg/m³
O3 0.024 ppm
NO2 4.7 ppb
SO2 0.5 ppb
CO 0.15 ppm
NH3 1.86 µg/m³
NO 0.74 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)
PM2.56.45 µg/m³
PM106.78 µg/m³
O348.08 µg/m³
NO28.76 µg/m³
SO21.41 µg/m³
CO168.05 µg/m³
NH31.86 µg/m³
NO0.74 µg/m³

Weather Alerts and Warnings for Evanston

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued May 22 at 3:04PM CDT until May 23 at 1:00PM CDT by NWS Chicago IL
May 22, 3:04 PM May 23, 1:00 PM
WHAT: High wave action and dangerous currents expected at Lake
Michigan beaches. Waves 3 to 6 feet expected.

WHERE: Lake IL, Northern Cook and Central Cook Counties.

WHEN: Through Saturday afternoon.

IMPACTS: Swimming conditions will be life threatening,
especially for inexperienced swimmers. For information on swim
advisories or bans at Chicago beaches: www. cpdbeaches. com.
+ Read More
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Updated: May 22, 7:45 PM Source: NWS Alert