Chicago, IL Weather Forecast
Cook County, Illinois
Live radar, warnings and storm tracking for Chicago, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Chicago
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Chicago, IL at a glance
Chicago is home to about 2,664,452 people in Cook County, across 228 square miles. It is the largest of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Cicero, 4 miles away.
- County
- Cook County
- Population
- 2,664,452 2023 est.
- Land area
- 228 sq mi
- People per sq mi
- 11,699
- Forecast point
- 41.8370°N, 87.6849°W
How well can the network see Chicago?
The nearest Doppler radar is KLOT (Chicago, IL), to the SW. Its lowest scan passes about 1,500 ft above Chicago. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Chicago show up clearly. Chicago is closer to its radar than 76% of US cities.
The closest weather station is KMDW (Chicago/Midway Intl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Chicago
- Cicero, IL4 mi
- Stickney, IL5 mi
- Berwyn, IL5 mi
- Oak Park, IL6 mi
- Riverside, IL7 mi
- Forest Park, IL7 mi
- Lyons, IL7 mi
- North Riverside, IL7 mi
Elsewhere in Illinois
AuroraJolietNapervilleRockfordElginSpringfieldAll Illinois forecasts →