Alton, IL

Right Now
46°
Rain
  • Humidity: 100%
  • Feels Like: 40°
  • Heat Index: 46°
  • Wind: 13 mph
  • Wind Chill: 40°
  • UV Index: 2 Low
  • Sunrise: 07:23:41 AM
  • Sunset: 06:04:25 PM
  • Dew Point: 46°
  • Visibility: 7 mi

Today

Rain early...then remaining cloudy with showers in the afternoon. High near 55F. Winds ENE at 10 to 20 mph. Chance of rain 100%. Rainfall around a quarter of an inch.

Tonight

Steady light rain this evening. Showers continuing overnight. Low near 50F. Winds N at 5 to 10 mph. Chance of rain 70%.

Tomorrow

Cloudy with periods of light rain. High 56F. Winds NNW at 15 to 25 mph. Chance of rain 80%.

Next 12 Hours

Time
Temp
Precip
6 AM
47°
100%
6 AM
47°

Wind: E @ 13mph

Precip: 100% Chance

Humidity: 99%

Wind Chill: 41°

Heat Index: 47°

UV Index: 0 Low

Visibility: 3 mi

7 AM
47°
91%
7 AM
47°

Wind: E @ 13mph

Precip: 91% Chance

Humidity: 98%

Wind Chill: 42°

Heat Index: 47°

UV Index: 0 Low

Visibility: 3 mi

8 AM
48°
38%
8 AM
48°

Wind: E @ 13mph

Precip: 38% Chance

Humidity: 98%

Wind Chill: 42°

Heat Index: 48°

UV Index: 0 Low

Visibility: 5 mi

9 AM
50°
41%
9 AM
50°

Wind: E @ 12mph

Precip: 41% Chance

Humidity: 92%

Wind Chill: 46°

Heat Index: 50°

UV Index: 0 Low

Visibility: 5 mi

10 AM
51°
20%
10 AM
51°

Wind: E @ 11mph

Precip: 20% Chance

Humidity: 90%

Wind Chill: 47°

Heat Index: 51°

UV Index: 1 Low

Visibility: 5 mi

11 AM
52°
18%
11 AM
52°

Wind: E @ 10mph

Precip: 18% Chance

Humidity: 90%

Wind Chill: 48°

Heat Index: 52°

UV Index: 1 Low

Visibility: 5 mi

12 PM
53°
18%
12 PM
53°

Wind: E @ 9mph

Precip: 18% Chance

Humidity: 89%

Wind Chill: 50°

Heat Index: 53°

UV Index: 2 Low

Visibility: 6 mi

1 PM
53°
24%
1 PM
53°

Wind: ENE @ 10mph

Precip: 24% Chance

Humidity: 88%

Wind Chill: 50°

Heat Index: 53°

UV Index: 2 Low

Visibility: 6 mi

2 PM
54°
34%
2 PM
54°

Wind: ENE @ 9mph

Precip: 34% Chance

Humidity: 87%

Wind Chill: 51°

Heat Index: 54°

UV Index: 1 Low

Visibility: 6 mi

3 PM
55°
48%
3 PM
55°

Wind: ENE @ 9mph

Precip: 48% Chance

Humidity: 85%

Wind Chill: 53°

Heat Index: 55°

UV Index: 1 Low

Visibility: 6 mi

4 PM
55°
44%
4 PM
55°

Wind: NE @ 9mph

Precip: 44% Chance

Humidity: 87%

Wind Chill: 52°

Heat Index: 55°

UV Index: 0 Low

Visibility: 6 mi

5 PM
54°
51%
5 PM
54°

Wind: NE @ 10mph

Precip: 51% Chance

Humidity: 84%

Wind Chill: 51°

Heat Index: 54°

UV Index: 0 Low

Visibility: 6 mi