Mount Prospect, IL Weather Forecast
Cook County, Illinois
Live radar, warnings and storm tracking for Mount Prospect, 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 Mount Prospect
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Mount Prospect, IL at a glance
Mount Prospect is home to about 54,298 people in Cook County, across 11 square miles. It ranks 24th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Prospect Heights, 3 miles away.
- County
- Cook County
- Population
- 54,298 2023 est.
- Land area
- 11 sq mi
- People per sq mi
- 5,066
- Forecast point
- 42.0642°N, 87.9374°W
How well can the network see Mount Prospect?
The nearest Doppler radar is KLOT (Chicago, IL), to the SSW. Its lowest scan passes about 2,000 ft above Mount Prospect. Close enough to see rotation in the low part of a storm, where tornadoes form. Mount Prospect is closer to its radar than 67% of US cities.
The closest weather station is KPWK (Chicago Exec). Close enough that its readings are the conditions in town.
Forecasts near Mount Prospect
Elsewhere in Illinois
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