State in USA

Illinois Resor Guide

Illinois travel guide: interactive map, live weather, best time och visit, things och do and nearby places.

🌤️ 27°C now🕔 12:55 PM local📅 Best: augusti, september and oktober👥 12.6 million

Sammanfattning

Illinois is a state in USA. Illinois is a US state med huvudstad Springfield. Befolkningen är cirka 12.6 million. Huvudstaden är Springfield.

Just nu är det 27°C (80°F) in Illinois med mest klart. Det känns som 26°C. I dag varierar temperaturen mellan 19°C och 33°C. Risken för nederbörd är 18%. Sightseeing conditions score 9.1/10 - utmärkt — åk nu.

Bästa tiden att besöka Illinois is augusti, september and oktober. Klimatet är continental. januari, februari and december tend och be the least comfortable months. juli is the warmest month med average highs near 29°C, while januari is the coldest med lows near -7°C.

The closest major airport is O'Hare International Airport (ORD), about 284 km away. Nearby highlights include Starved Rock State Park, Lake Michigan, Gateway Arch National Park and Indiana Dunes National Park.

Enkelt förklarat. Today is warmer than average for september. The forecast high of 33°C is 5.1°C above the 28°C typical for this month. The best window och be outside is roughly 7 AM och 10 AM, when temperature, rain chance and wind line up best. outdoors is the strongest bet in Illinois today at 9.2/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Karta över Illinois

Interactive map med nearby places. Switch between street, terrain and satellite views.

Koordinater: 39°46′54.1″N 89°39′0.4″W (39.7817, -89.6501)

Vädret i Illinois just nu

🌤️
27°C
Mest klart · feels like 26°C
Luftfuktighet40%
Vind10 km/h S
Vindbyar30 km/h
UV-index1.4 · Låg
Molntäcke26%
Lufttryck991 hPa
SiktExcellent · 36 km
Luftkvalitet32 · Good
Soluppgång6:53 AM
Solnedgång6:42 PM
Måne🌖 Waning gibbous · 85%

Open-Meteo Updated 12:55 PM, sep 30 local time.

Weekend outlook

lörurday, okt 3

☀️ 24° / 10°

Klart · 1% rain · wind 13 km/h

sönday, okt 4

☁️ 25° / 13°

Mulet · 1% rain · wind 22 km/h

Quick facts about Illinois

TypState
LandUSA
KontinentNordamerika
Koordinater39°46′54.1″N 89°39′0.4″W (39.7817, -89.6501)
CapitalSpringfield
Befolkning12.600.000
Area149.995 km²
AbbreviationIL
TidszonAmerica/Chicago
Lokal tid12:55 PM (UTC-05:00)
Best monthsaugusti, september and oktober
KlimatKontinental

Saker att göra in Illinois

Sevärdheter, parks and landmarks in and around Illinois.

Bästa tiden att besöka Illinois

Go in augusti, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: januari, februari and december - expect the least comfortable mix of heat, cold or rain.

januari★★☆☆☆
februari★★★☆☆
mars★★★☆☆
april★★★☆☆
maj★★★★☆
juni★★★★☆
juli★★★★☆
augusti★★★★☆
september★★★★★
oktober★★★★☆
november★★★☆☆
december★★☆☆☆

What och pack, what och skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • sönglasses, a brimmed hat and SPF 30+
  • Layers - the daily swing is 28°C, so mornings feel nothing like afternoons
  • A packable rain shell - 2 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid januari, februari and december - historically the least comfortable months here.

Flygplatser near Illinois

Closest airports med IATA codes and distances.

AirportCodeDistanceServes
O'Hare International AirportORD284 kmChicago
Nashville International AirportBNA483 kmNashville

Cities in Illinois

1 cities mapped in this atlas

State and provincial parks in Illinois

1 state and provincial parks mapped in this atlas

Counties in Illinois

1 counties mapped in this atlas

Lakes in Illinois

1 lakes mapped in this atlas

Explore Illinois

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

Resor Guide for related places

Frequently asked questions

Where is Illinois?

Illinois is a state in USA. Its coordinates are 39.7817, -89.6501. It lies in Nordamerika.

What is the weather like in Illinois just nu?

It is currently 27°C (80°F) med mest klart. Luftfuktighet is 40% and wind is 10 km/h.

When is the best time och visit Illinois?

augusti, september and oktober offer the most comfortable conditions in Illinois, which has a continental climate. januari, februari and december 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 12:55 PM.

How many people live in Illinois?

Illinois has a population of approximately 12.6 million.

What is the nearest airport och 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 och 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.
Karta tilesOpenStreetKarta contributors, CARTO and Esri.
ElevationOpen-Meteo digital elevation model where the dataset has no value.
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 september 30, 2026 at 12:55 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.

More from Davil Hofile