Alton, IL

Right Now
48°
Cloudy
  • Humidity: 73%
  • Feels Like: 45°
  • Heat Index: 48°
  • Wind: 6 mph
  • Wind Chill: 45°
  • UV Index: 2 Low
  • Sunrise: 07:20:39 AM
  • Sunset: 06:07:49 PM
  • Dew Point: 40°
  • Visibility: 10 mi

Today

Generally cloudy. High near 50F. Winds NNE at 5 to 10 mph.

Tonight

Cloudy skies. Low around 40F. Winds N at 5 to 10 mph.

Tomorrow

Rain likely. Potential for heavy rainfall. High 43F. Winds N at 10 to 15 mph. Chance of rain 100%. Rainfall around a half an inch.

Next 12 Hours

Time
Temp
Precip
1 PM
48°
1%
1 PM
48°

Wind: NNE @ 6mph

Precip: 1% Chance

Humidity: 72%

Wind Chill: 45°

Heat Index: 48°

UV Index: 1 Low

Visibility: 10 mi

2 PM
48°
1%
2 PM
48°

Wind: NNE @ 7mph

Precip: 1% Chance

Humidity: 72%

Wind Chill: 45°

Heat Index: 48°

UV Index: 1 Low

Visibility: 10 mi

3 PM
48°
1%
3 PM
48°

Wind: NNE @ 7mph

Precip: 1% Chance

Humidity: 71%

Wind Chill: 45°

Heat Index: 48°

UV Index: 1 Low

Visibility: 10 mi

4 PM
49°
1%
4 PM
49°

Wind: NNE @ 8mph

Precip: 1% Chance

Humidity: 65%

Wind Chill: 46°

Heat Index: 49°

UV Index: 0 Low

Visibility: 10 mi

5 PM
49°
2%
5 PM
49°

Wind: NNE @ 8mph

Precip: 2% Chance

Humidity: 65%

Wind Chill: 45°

Heat Index: 49°

UV Index: 0 Low

Visibility: 10 mi

6 PM
48°
1%
6 PM
48°

Wind: NNE @ 7mph

Precip: 1% Chance

Humidity: 66%

Wind Chill: 45°

Heat Index: 48°

UV Index: 0 Low

Visibility: 10 mi

7 PM
47°
1%
7 PM
47°

Wind: NNE @ 7mph

Precip: 1% Chance

Humidity: 72%

Wind Chill: 43°

Heat Index: 47°

UV Index: 0 Low

Visibility: 10 mi

8 PM
46°
2%
8 PM
46°

Wind: NNE @ 6mph

Precip: 2% Chance

Humidity: 76%

Wind Chill: 43°

Heat Index: 46°

UV Index: 0 Low

Visibility: 10 mi

9 PM
45°
3%
9 PM
45°

Wind: NNE @ 6mph

Precip: 3% Chance

Humidity: 78%

Wind Chill: 43°

Heat Index: 45°

UV Index: 0 Low

Visibility: 10 mi

10 PM
45°
3%
10 PM
45°

Wind: NNE @ 5mph

Precip: 3% Chance

Humidity: 80%

Wind Chill: 42°

Heat Index: 45°

UV Index: 0 Low

Visibility: 10 mi

11 PM
45°
3%
11 PM
45°

Wind: N @ 3mph

Precip: 3% Chance

Humidity: 81%

Wind Chill: 45°

Heat Index: 45°

UV Index: 0 Low

Visibility: 10 mi

12 AM
44°
4%
12 AM
44°

Wind: N @ 4mph

Precip: 4% Chance

Humidity: 81%

Wind Chill: 43°

Heat Index: 44°

UV Index: 0 Low

Visibility: 10 mi