Cook County Väder Prognos
Cook County weather: 17°C, mulet. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Risk assessment for Cook County
Derived from the current forecast window - not an official warning.
15 dry days, 0 days above 32°C and humidity at 90%. Hot, dry and windy together is what drives fire spread.
Light haze overhead just nu. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.
Luftkvalitet and pollen in Cook County
Luftkvalitet: Open-Meteo (CAMS). US AQI scale.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| General | Förhållanden are comfortable for most people, including children and older adults, med normal clothing. |
Active alerts for Cook County
Hydrologic Outlook issued september 30 at 1:02PM CDT by NWS Chicago IL
Issued by NWS Chicago IL
Se prognosen för Cook County per tidsintervall
Cook County weather - more answers
Explore Cook County
Every topic we hold for this place, and the same topic for the places around it.
Väder for related places
Frequently asked questions
Where is Cook County?
Cook County is a county in Illinois. Its coordinates are 41.8781, -87.6298. It lies in Nordamerika.
What is the weather like in Cook County just nu?
It is currently 17°C (62°F) med mulet. Luftfuktighet is 90% and wind is 7 km/h.
When is the best time och visit Cook County?
maj, juni, augusti, september and oktober offer the most comfortable conditions in Cook County, which has a continental climate. januari, februari and december are usually the hardest months for outdoor plans.
What time zone is Cook County in?
Cook County observes America/Chicago (UTC-05:00). The local time is 9:09 AM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport och Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things och do in Cook County?
Popular options include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated oktober 1, 2026 at 9:09 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
