Current Weather in Illinois
Sunny21.2°C70.2°F
- Current Temperature: 21.2°C70.2°F
- Current Feels‑Like Temperature: 21.2°C70.2°F
- Current Humidity: 74%
- Minimum Temperature/Maximum Temperature: 10.9°C51.6°F / 24.2°C75.6°F
- Wind Speed: 15.1km/h
- Wind Direction: ↑ From the East-Northeast
(Data Time 09:00 / Data Retrieved 2025-09-03 04:15)
Visibility (Transparency) in Illinois
This graph shows the annual variation in visibility (horizontal sight distance) in Illinois. Visibility—an important meteorological measure of air transparency—is typically expressed in kilometers (km) or miles (mile).
The month with the highest visibility in Illinois is Oct, at 9.9 km (5.9 mile).
The month with the lowest visibility in Illinois is Jan, at 7.4 km (4.1 mile).
| Year‑Month | 30‑Day MA of Visibility (km) | 30‑Day MA of Visibility (mile) |
|---|---|---|
| Jan 2024 | 7.4km | 4.1mile |
| Feb 2024 | 9.3km | 5.5mile |
| Mar 2024 | 9.5km | 5.6mile |
| Apr 2024 | 9.4km | 5.5mile |
| May 2024 | 9.3km | 5.4mile |
| Jun 2024 | 9.3km | 5.4mile |
| Jul 2024 | 9.1km | 5.2mile |
| Aug 2024 | 9.4km | 5.5mile |
| Sep 2024 | 9.8km | 5.8mile |
| Oct 2024 | 9.9km | 5.9mile |
| Nov 2024 | 9.6km | 5.7mile |
| Dec 2024 | 9.1km | 5.3mile |