Illinois 天氣 預報
Illinois weather: 9°C, 陰天. 逐小時 forecast, 14-day outlook, UV, air quality and the best time至visit.
Risk assessment for Illinois
Derived from the current forecast window - not an official warning.
10 dry days, 0 days above 32°C and humidity at 83%. Hot, dry and windy together is what drives fire spread.
晴朗 air overhead現在. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.
空氣品質 and pollen in Illinois
空氣品質: Open-Meteo (CAMS). US AQI scale.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| General | 天氣狀況 are comfortable for most people, including children and older adults,，天氣為normal clothing. |
查看 Illinois 的分時預報
Illinois weather - more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
天氣 for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in 美國. Its coordinates are 39.7817, -89.6501. It lies in 北美洲.
What is the weather like in Illinois現在?
It is currently 9°C (48°F)，天氣為陰天. 濕度 is 83% and wind is 7 km/h.
When is the best time至visit Illinois?
八月, 九月 and 十月 offer the most comfortable conditions in Illinois, which has a continental climate. 一月, 二月 and 十二月 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 12:59 PM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport至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至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. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天氣 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 十月 27, 2026 at 12:59 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
