Illinois, United States

Alton · Hourly

Saturday, Oct 24 · America/Chicago

Hourly forecast

Local time in Alton

Temperature · °C

7:00 PM GMT-5Today

17°0%6 km/h

Clear

Feels like: 17°
Humidity: 53%
Wind: ESE 6 km/h
Gust: 14 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 7°
Pressure: 1,027 hPa
Cloud cover: 0%
Visibility: 16 km
UV index: 0
US AQI: 34

8:00 PM GMT-5Today

17°0%10 km/h

Partly cloudy

Feels like: 17°
Humidity: 58%
Wind: ESE 10 km/h
Gust: 15 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 8°
Pressure: 1,027 hPa
Cloud cover: 21%
Visibility: 29.3 km
UV index: 0
US AQI: 36

9:00 PM GMT-5Today

16°0%10 km/h

Partly cloudy

Feels like: 16°
Humidity: 63%
Wind: ESE 10 km/h
Gust: 15 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 8°
Pressure: 1,027 hPa
Cloud cover: 23%
Visibility: 28.2 km
UV index: 0
US AQI: 39

10:00 PM GMT-5Today

15°0%9 km/h

Partly cloudy

Feels like: 15°
Humidity: 66%
Wind: ESE 9 km/h
Gust: 16 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 8°
Pressure: 1,027 hPa
Cloud cover: 21%
Visibility: 27.3 km
UV index: 0
US AQI: 42

11:00 PM GMT-5Today

14°0%9 km/h

Clear

Feels like: 14°
Humidity: 69%
Wind: ESE 9 km/h
Gust: 16 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 8°
Pressure: 1,027 hPa
Cloud cover: 19%
Visibility: 27.1 km
UV index: 0
US AQI: 45

12:00 AM GMT-5Tomorrow

14°0%8 km/h

Partly cloudy

Feels like: 14°
Humidity: 71%
Wind: SE 8 km/h
Gust: 16 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 8°
Pressure: 1,027 hPa
Cloud cover: 21%
Visibility: 26.8 km
UV index: 0
US AQI: 48

1:00 AM GMT-5Tomorrow

13°0%8 km/h

Partly cloudy

Feels like: 13°
Humidity: 73%
Wind: SE 8 km/h
Gust: 15 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 7°
Pressure: 1,027 hPa
Cloud cover: 27%
Visibility: 26.2 km
UV index: 0
US AQI: 51

2:00 AM GMT-5Tomorrow

12°1%7 km/h

Partly cloudy

Feels like: 12°
Humidity: 75%
Wind: SE 7 km/h
Gust: 14 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 7°
Pressure: 1,028 hPa
Cloud cover: 32%
Visibility: 25.4 km
UV index: 0
US AQI: 52

3:00 AM GMT-5Tomorrow

12°1%7 km/h

Partly cloudy

Feels like: 12°
Humidity: 77%
Wind: SE 7 km/h
Gust: 12 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 7°
Pressure: 1,028 hPa
Cloud cover: 39%
Visibility: 24.5 km
UV index: 0
US AQI: 53

4:00 AM GMT-5Tomorrow

12°1%7 km/h

Partly cloudy

Feels like: 12°
Humidity: 79%
Wind: SE 7 km/h
Gust: 11 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 7°
Pressure: 1,028 hPa
Cloud cover: 45%
Visibility: 23.7 km
UV index: 0
US AQI: 54

5:00 AM GMT-5Tomorrow

11°1%7 km/h

Partly cloudy

Feels like: 11°
Humidity: 80%
Wind: ESE 7 km/h
Gust: 10 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 7°
Pressure: 1,028 hPa
Cloud cover: 46%
Visibility: 23 km
UV index: 0
US AQI: 55

6:00 AM GMT-5Tomorrow

11°1%7 km/h

Partly cloudy

Feels like: 11°
Humidity: 82%
Wind: ESE 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 7°
Pressure: 1,029 hPa
Cloud cover: 48%
Visibility: 22.4 km
UV index: 0
US AQI: 56

7:00 AM GMT-5Tomorrow

11°1%7 km/h

Partly cloudy

Feels like: 11°
Humidity: 82%
Wind: ESE 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 7°
Pressure: 1,029 hPa
Cloud cover: 51%
Visibility: 22.2 km
UV index: 0
US AQI: 56

8:00 AM GMT-5Tomorrow

11°1%6 km/h

Partly cloudy

Feels like: 11°
Humidity: 79%
Wind: SE 6 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 7°
Pressure: 1,029 hPa
Cloud cover: 51%
Visibility: 22.4 km
UV index: 1
US AQI: 57

9:00 AM GMT-5Tomorrow

14°1%6 km/h

Partly cloudy

Feels like: 14°
Humidity: 71%
Wind: SE 6 km/h
Gust: 10 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 8°
Pressure: 1,029 hPa
Cloud cover: 54%
Visibility: 23.9 km
UV index: 2
US AQI: 58

10:00 AM GMT-5Tomorrow

17°1%7 km/h

Partly cloudy

Feels like: 17°
Humidity: 61%
Wind: SSE 7 km/h
Gust: 10 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 8°
Pressure: 1,029 hPa
Cloud cover: 61%
Visibility: 26.8 km
UV index: 4
US AQI: 60

11:00 AM GMT-5Tomorrow

20°1%7 km/h

Partly cloudy

Feels like: 20°
Humidity: 51%
Wind: S 7 km/h
Gust: 10 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,029 hPa
Cloud cover: 62%
Visibility: 30 km
UV index: 5
US AQI: 61

12:00 PM GMT-5Tomorrow

22°1%7 km/h

Partly cloudy

Feels like: 22°
Humidity: 44%
Wind: S 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,029 hPa
Cloud cover: 61%
Visibility: 32.3 km
UV index: 5
US AQI: 63

1:00 PM GMT-5Tomorrow

24°1%7 km/h

Partly cloudy

Feels like: 24°
Humidity: 40%
Wind: S 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 8°
Pressure: 1,028 hPa
Cloud cover: 64%
Visibility: 33.6 km
UV index: 6
US AQI: 64

2:00 PM GMT-5Tomorrow

25°1%7 km/h

Partly cloudy

Feels like: 25°
Humidity: 37%
Wind: SSE 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 8°
Pressure: 1,028 hPa
Cloud cover: 69%
Visibility: 34.4 km
UV index: 5
US AQI: 66

3:00 PM GMT-5Tomorrow

25°1%8 km/h

Partly cloudy

Feels like: 25°
Humidity: 37%
Wind: SSE 8 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 8°
Pressure: 1,027 hPa
Cloud cover: 71%
Visibility: 35 km
UV index: 4
US AQI: 67

4:00 PM GMT-5Tomorrow

25°1%7 km/h

Partly cloudy

Feels like: 25°
Humidity: 38%
Wind: SSE 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 8°
Pressure: 1,027 hPa
Cloud cover: 75%
Visibility: 35.3 km
UV index: 3
US AQI: 69

5:00 PM GMT-5Tomorrow

24°1%7 km/h

Partly cloudy

Feels like: 24°
Humidity: 42%
Wind: SSE 7 km/h
Gust: 8 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,026 hPa
Cloud cover: 78%
Visibility: 35.1 km
UV index: 2
US AQI: 69

6:00 PM GMT-5Tomorrow

22°1%7 km/h

Partly cloudy

Feels like: 22°
Humidity: 47%
Wind: SE 7 km/h
Gust: 7 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,026 hPa
Cloud cover: 78%
Visibility: 34.2 km
UV index: 1
US AQI: 70

7:00 PM GMT-5Tomorrow

20°0%7 km/h

Partly cloudy

Feels like: 20°
Humidity: 53%
Wind: ESE 7 km/h
Gust: 7 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,026 hPa
Cloud cover: 77%
Visibility: 32.7 km
UV index: 0
US AQI: 71

8:00 PM GMT-5Tomorrow

18°1%6 km/h

Partly cloudy

Feels like: 18°
Humidity: 58%
Wind: ESE 6 km/h
Gust: 7 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,026 hPa
Cloud cover: 78%
Visibility: 31.1 km
UV index: 0
US AQI: 72

9:00 PM GMT-5Tomorrow

17°1%6 km/h

Partly cloudy

Feels like: 17°
Humidity: 62%
Wind: ESE 6 km/h
Gust: 8 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 80%
Visibility: 30.1 km
UV index: 0
US AQI: 72

10:00 PM GMT-5Tomorrow

17°1%7 km/h

Partly cloudy

Feels like: 17°
Humidity: 65%
Wind: SE 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 79%
Visibility: 29.5 km
UV index: 0
US AQI: 73

11:00 PM GMT-5Tomorrow

16°1%7 km/h

Partly cloudy

Feels like: 16°
Humidity: 67%
Wind: SE 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 80%
Visibility: 28.7 km
UV index: 0
US AQI: 74

12:00 AM GMT-5Mon

15°1%7 km/h

Partly cloudy

Feels like: 15°
Humidity: 69%
Wind: SE 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 1%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 84%
Visibility: 28.4 km
UV index: 0
US AQI: 74

1:00 AM GMT-5Mon

15°0%6 km/h

Partly cloudy

Feels like: 15°
Humidity: 71%
Wind: SSE 6 km/h
Gust: 8 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 87%
Visibility: 28.5 km
UV index: 0
US AQI: 75

2:00 AM GMT-5Mon

14°0%6 km/h

Partly cloudy

Feels like: 14°
Humidity: 73%
Wind: SSE 6 km/h
Gust: 8 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 89%
Visibility: 28.6 km
UV index: 0
US AQI: 76

3:00 AM GMT-5Mon

14°0%6 km/h

Partly cloudy

Feels like: 14°
Humidity: 75%
Wind: SSE 6 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 87%
Visibility: 28.5 km
UV index: 0
US AQI: 76

4:00 AM GMT-5Mon

13°0%6 km/h

Partly cloudy

Feels like: 13°
Humidity: 77%
Wind: S 6 km/h
Gust: 8 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 84%
Visibility: 27.5 km
UV index: 0
US AQI: 76

5:00 AM GMT-5Mon

13°0%5 km/h

Partly cloudy

Feels like: 13°
Humidity: 80%
Wind: S 5 km/h
Gust: 7 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 80%
Visibility: 25.5 km
UV index: 0
US AQI: 77

6:00 AM GMT-5Mon

13°0%5 km/h

Partly cloudy

Feels like: 13°
Humidity: 81%
Wind: S 5 km/h
Gust: 7 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 78%
Visibility: 24.4 km
UV index: 0
US AQI: 77

7:00 AM GMT-5Mon

12°0%5 km/h

Partly cloudy

Feels like: 12°
Humidity: 81%
Wind: S 5 km/h
Gust: 7 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 76%
Visibility: 24.1 km
UV index: 0
US AQI: 77

8:00 AM GMT-5Mon

13°0%5 km/h

Partly cloudy

Feels like: 13°
Humidity: 77%
Wind: S 5 km/h
Gust: 7 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 9°
Pressure: 1,027 hPa
Cloud cover: 75%
Visibility: 23.9 km
UV index: 1
US AQI: 78

9:00 AM GMT-5Mon

16°0%5 km/h

Partly cloudy

Feels like: 16°
Humidity: 71%
Wind: SSW 5 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,027 hPa
Cloud cover: 74%
Visibility: 24.6 km
UV index: 2
US AQI: 78

10:00 AM GMT-5Mon

18°0%6 km/h

Partly cloudy

Feels like: 18°
Humidity: 63%
Wind: SSW 6 km/h
Gust: 12 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,027 hPa
Cloud cover: 73%
Visibility: 26.1 km
UV index: 3
US AQI: 78

11:00 AM GMT-5Mon

20°0%8 km/h

Partly cloudy

Feels like: 20°
Humidity: 55%
Wind: SW 8 km/h
Gust: 13 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,027 hPa
Cloud cover: 72%
Visibility: 26.8 km
UV index: 4
US AQI: 78

12:00 PM GMT-5Mon

22°0%8 km/h

Partly cloudy

Feels like: 22°
Humidity: 49%
Wind: SW 8 km/h
Gust: 12 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,026 hPa
Cloud cover: 72%
Visibility: 25.3 km
UV index: 4
US AQI: 79

1:00 PM GMT-5Mon

24°0%9 km/h

Partly cloudy

Feels like: 24°
Humidity: 44%
Wind: SW 9 km/h
Gust: 12 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,026 hPa
Cloud cover: 69%
Visibility: 22.4 km
UV index: 4
US AQI: 79

2:00 PM GMT-5Mon

24°0%9 km/h

Partly cloudy

Feels like: 24°
Humidity: 42%
Wind: SSW 9 km/h
Gust: 11 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,025 hPa
Cloud cover: 63%
Visibility: 20.5 km
UV index: 4
US AQI: 79

3:00 PM GMT-5Mon

24°0%9 km/h

Partly cloudy

Feels like: 24°
Humidity: 42%
Wind: SSW 9 km/h
Gust: 11 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,025 hPa
Cloud cover: 55%
Visibility: 20.1 km
UV index: 3
US AQI: 79

4:00 PM GMT-5Mon

24°0%8 km/h

Partly cloudy

Feels like: 24°
Humidity: 43%
Wind: S 8 km/h
Gust: 10 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,024 hPa
Cloud cover: 49%
Visibility: 20.1 km
UV index: 3
US AQI: 79

5:00 PM GMT-5Mon

23°0%7 km/h

Partly cloudy

Feels like: 23°
Humidity: 47%
Wind: SSE 7 km/h
Gust: 9 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,024 hPa
Cloud cover: 45%
Visibility: 20 km
UV index: 2
US AQI: 78

6:00 PM GMT-5Mon

21°0%7 km/h

Partly cloudy

Feels like: 21°
Humidity: 53%
Wind: SSE 7 km/h
Gust: 8 km/h
Precipitation: 0 mm
Precipitation probability: 0%
Dew point: 10°
Pressure: 1,024 hPa
Cloud cover: 45%
Visibility: 19.9 km
UV index: 2
US AQI: 78