County in Illinois

Cook County Počasie Predpoveď

Cook County weather: 13°C, zamračené. Hodinovo forecast, 14-day outlook, UV, air quality and the best time do visit.

☁️ 13°C now🕔 9:43 AM local📅 Best: máj, jún, august, september and október👥 5.1 million

Risk assessment for Cook County

Derived from the current forecast window - not an official warning.

Storm and wind7.3

Peak gusts of 68 km/h and 1 thunderstorm day in the next 16 days.

Heavy rain and flooding0.5

Wettest single day forecast at 4 mm, 10 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.

Active alerts for Cook County

⚠️Flood Advisory · Minor
Flood Advisory issued október 1 at 8:44PM CDT until október 1 at 10:15PM CDT by NWS Chicago IL
Issued by NWS Chicago IL
⚠️Flood Watch · Severe
Flood Watch issued október 1 at 2:44PM CDT until október 1 at 10:00PM CDT by NWS Chicago IL
Issued by NWS Chicago IL
⚠️so, okt 10: damaging gusts do 65 km/h.
⚠️ne, okt 11: damaging gusts do 68 km/h.

16-day forecast for Cook County

Max. / Min.; Zrážky; UV

DeňPodmienkyMax. / Min.ZrážkyVietorUV
pi, okt 2🌧️ Dážď16° / 11°73% · 4 mm21 km/h5
so, okt 3☁️ Zamračené16° / 10°2%18 km/h5
ne, okt 4☁️ Zamračené22° / 13°0%18 km/h5
po, okt 5☀️ Jasná obloha17° / 13°0%19 km/h5
ut, okt 6☁️ Zamračené18° / 11°0%13 km/h5
st, okt 7☁️ Zamračené23° / 12°1%22 km/h4
št, okt 8⛈️ Búrka24° / 16°2% · 3 mm19 km/h4
pi, okt 9⛅ Polooblačno19° / 13°3%17 km/h5
so, okt 10☁️ Zamračené22° / 13°4%26 km/h4
ne, okt 11☁️ Zamračené28° / 19°8%27 km/h4
po, okt 12🌦️ Mrholenie26° / 19°19% · 2 mm24 km/h4
ut, okt 13🌦️ Light drizzle19° / 10°13% · 1 mm32 km/h1
st, okt 14🌤️ Prevažne jasno18° / 11°16%21 km/h4
št, okt 15☀️ Jasná obloha22° / 13°16%25 km/h4
pi, okt 16☁️ Zamračené24° / 8°23%36 km/h4
so, okt 17☁️ Zamračené9° / 5°7%29 km/h4

What this means for Cook County

Compared s normal

Today is slightly cooler than average for október. The forecast high of 16°C is 2°C below the 18°C typical for this month.

Dážď chance explained

A 73% chance means rain is expected over most of the area. Plan indoor alternatives.

Cestovanie and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in jún do august.

Worth knowing

The gap between the warmest and coldest month averages 29°C.

Pozrite si predpoveď pre Cook County podľa časového obdobia

Cook County weather - more answers

Explore Cook County

Every topic we hold for this place, and the same topic for the places around it.

Počasie 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 Severná Amerika.

What is the weather like in Cook County práve teraz?

It is currently 13°C (56°F) s zamračené. Vlhkosť is 83% and wind is 13 km/h.

When is the best time do visit Cook County?

máj, jún, august, september and október offer the most comfortable conditions in Cook County, which has a continental climate. január, február 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 9:43 AM.

How many people live in Cook County?

Cook County has a population of approximately 5.1 million.

What is the nearest airport do Cook County?

The closest airports are O'Hare International Airport (ORD), 25 km away.

What are the top things do 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 dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Predpoveď and observationsOpen-Meteo (ECMWF and national models).
Kvalita ovzdušia and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Podnebie averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Počasie Service.
MethodScores, 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 október 2, 2026 at 9:43 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile