Illinois Sää Ennuste
Illinois weather: 13°C, selkeä. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.
Huomenna in Illinois - kenesday, lokakuu 28
Seuraavat 24 tuntia
Lämpötila, sateen todennäköisyys ja tuuli tunneittain.
Active alerts for Illinois
Derived from the forecast. No official alert feed is wired for this country yet.
Is today a good day ja visit?
Activity scores from 0 ja 10 based on temperature, rain, wind, sun and visibility.
What ja pack, what ja skip
- suglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 18°C, so mornings feel nothing like afternoons
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid tammikuu, helmikuu and joulukuu - historically the least comfortable months here.
Katso kohteen Illinois ennuste aikavälin mukaan
Illinois weather - more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
Sää for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in Yhdysvallat. Its coordinates are 39.7817, -89.6501. It lies in Pohjois-Amerikka.
What is the weather like in Illinois nyt?
It is currently 13°C (56°F) ja selkeä. Kosteus is 70% and wind is 8 km/h.
When is the best time ja visit Illinois?
elokuu, syyskuu and lokakuu offer the most comfortable conditions in Illinois, which has a continental climate. tammikuu, helmikuu and joulukuu 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 2:47 AM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport ja 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 ja 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. |
|---|---|
| Ennuste and observations | Open-Meteo (ECMWF and national models). |
| Ilmanlaatu and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Ilmasto averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Sää 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 lokakuu 28, 2026 at 2:47 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
