State in Съединени щати

Illinois Време Прогноза

Illinois weather: 23°C, Предимно ясно. Почасово forecast, 14-day outlook, UV, air quality and the best time до visit.

🌙 23°C now🕔 10:29 PM local📅 Best: август, септември and октомври👥 12.6 million

Risk assessment for Illinois

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

Storm and wind5.3

Peak gusts of 62 km/h and 0 thunderstorm days in the next 16 days.

Heavy rain and flooding0.5

Wettest single day forecast at 3 mm, 15 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.

Active alerts for Illinois

⚠️пон, авг 31: extreme heat, 37°C (98°F). Hydrate and avoid midday sun.
⚠️ср, сеп 2: extreme heat, 36°C (97°F). Hydrate and avoid midday sun.
⚠️чет, сеп 3: extreme heat, 39°C (101°F). Hydrate and avoid midday sun.

Derived from the forecast. No official alert feed is wired for this country yet.

16-day forecast for Illinois

Макс. / Мин.; Валежи; UV

ДенУсловияМакс. / Мин.ВалежиВятърUV
вт, авг 25☁️ Облачно29° / 15°1%12 km/h7
ср, авг 26🌦️ Light drizzle33° / 20°7% · 0 mm22 km/h7
чет, авг 27☁️ Облачно28° / 18°1%18 km/h7
пет, авг 28☁️ Облачно28° / 17°0%12 km/h7
съб, авг 29☁️ Облачно29° / 16°0%20 km/h7
нед, авг 30☁️ Облачно35° / 21°4%27 km/h7
пон, авг 31🌦️ Light drizzle37° / 23°7% · 0 mm25 km/h7
вт, сеп 1🌦️ Light drizzle35° / 22°17% · 3 mm15 km/h7
ср, сеп 2🌦️ Light drizzle36° / 22°17% · 2 mm21 km/h7
чет, сеп 3⛅ Променлива облачност39° / 26°20%32 km/h7
пет, сеп 4🌦️ Light drizzle38° / 21°12% · 0 mm31 km/h7
съб, сеп 5🌦️ Ръмеж35° / 21°22% · 2 mm22 km/h6
нед, сеп 6🌦️ Ръмеж31° / 21°37% · 2 mm15 km/h6
пон, сеп 7☁️ Облачно36° / 23°19%18 km/h7
вт, сеп 8🌦️ Light drizzle35° / 23°26% · 2 mm15 km/h6
ср, сеп 9🌦️ Ръмеж27° / 20°19% · 2 mm22 km/h4

What this means for Illinois

Compared с normal

Today is about average for август. The forecast high of 29°C is in line с the 28°C typical for this month.

Дъжд chance explained

Дъжд is very unlikely today - plans do not need a backup.

Пътуване and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in юни до август.

Worth knowing

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

Вижте прогнозата за Illinois по период

Illinois weather - more answers

Explore Illinois

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

Време for related places

Frequently asked questions

Where is Illinois?

Illinois is a state in Съединени щати. Its coordinates are 39.7817, -89.6501. It lies in Северна Америка.

What is the weather like in Illinois в момента?

It is currently 23°C (74°F) с Предимно ясно. Влажност is 71% and wind is 6 km/h.

When is the best time до visit Illinois?

август, септември and октомври offer the most comfortable conditions in Illinois, which has a continental climate. януари, февруари and декември are usually the hardest months for outdoor plans.

What time zone is Illinois in?

Illinois observes America/Chicago (UTC-05:00). The local time is 10:29 PM.

How many people live in Illinois?

Illinois has a population of approximately 12.6 million.

What is the nearest airport до Illinois?

The closest airports are O'Hare International Airport (ORD), 284 km away and Nashville International Airport (BNA), 483 km away.

What are the top things до do in Illinois?

Popular options include Starved Rock State Park, Lake Michigan, Gateway Arch National Park and Indiana Dunes National Park.

What places are in Illinois?

Illinois covers 4 places in this atlas, including Chicago, Starved Rock State Park, Cook County and Lake Michigan.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts.
Прогноза and observationsOpen-Meteo (ECMWF and national models).
Качество на въздуха and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Климат averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Време 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 август 25, 2026 at 10:29 PM 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.

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