Arlington Heights, IL Weather Forecast
Cook County, Illinois
Live radar, warnings and storm tracking for Arlington Heights, 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 Arlington Heights
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Arlington Heights, IL at a glance
Arlington Heights is home to about 74,495 people in Cook County, across 17 square miles. It ranks 15th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Rolling Meadows, 3 miles away.
- County
- Cook County
- Population
- 74,495 2023 est.
- Land area
- 17 sq mi
- People per sq mi
- 4,484
- Forecast point
- 42.0974°N, 87.9817°W
How well can the network see Arlington Heights?
The nearest Doppler radar is KLOT (Chicago, IL), to the S. Its lowest scan passes about 2,200 ft above Arlington Heights. Close enough to see rotation in the low part of a storm, where tornadoes form. Arlington Heights is closer to its radar than 64% of US cities.
The closest weather station is KPWK (Chicago Exec). Close enough that its readings are the conditions in town.
Forecasts near Arlington Heights
- Rolling Meadows, IL3 mi
- Prospect Heights, IL3 mi
- Mount Prospect, IL3 mi
- Palatine, IL3 mi
- Wheeling, IL4 mi
- Buffalo Grove, IL5 mi
- Des Plaines, IL6 mi
- Inverness, IL6 mi
Elsewhere in Illinois
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