Illinois Wetter Vorhersage
Illinois weather: 17°C, klar. Stündlich forecast, 14-day outlook, UV, air quality and the best time und visit.
Risk assessment for Illinois
Derived from the current forecast window – not an official warning.
13 dry days, 0 days above 32°C and humidity at 45%. Hot, dry and windy together is what drives fire spread.
Klar air overhead jetzt. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.
Luftqualität and pollen in Illinois
Luftqualität: Open-Meteo (CAMS). US AQI scale.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| General | Bedingungen are comfortable for most people, including children and older adults, mit normal clothing. |
Vorhersage für Illinois nach Zeitraum ansehen
Illinois weather – more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
Wetter for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in Vereinigte Staaten. Its coordinates are 39.7817, -89.6501. It lies in Nordamerika.
What is the weather like in Illinois jetzt?
It is currently 17°C (62°F) mit klar. Luftfeuchtigkeit is 45% and wind is 5 km/h.
When is the best time und visit Illinois?
August, September and Oktober offer the most comfortable conditions in Illinois, which has a continental climate. Januar, Februar and Dezember are usually the hardest months for outdoor plans.
What time zone is Illinois in?
Illinois observes America/Chicago (UTC-05:00). The Ortszeit is 11:54 PM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport und 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 und 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 data | USPOTUS Atlas dataset (us-states) – coordinates, hierarchy and facts. |
|---|---|
| Vorhersage and observations | Open-Meteo (ECMWF and national models). |
| Luftqualität and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Wetter 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 5, 2026 at 11:54 PM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.
