Alton, IL

Right Now
73°
Mostly Cloudy
  • Humidity: 32%
  • Feels Like: 73°
  • Heat Index: 73°
  • Wind: 18 mph
  • Wind Chill: 73°
  • UV Index: 0 Low
  • Sunrise: 05:55:30 AM
  • Sunset: 07:59:11 PM
  • Dew Point: 42°
  • Visibility: 10 mi

Today

Partly cloudy this evening with more clouds for overnight. Low 48F. NE winds at 10 to 20 mph, decreasing to 5 to 10 mph.

Tonight

Partly cloudy this evening with more clouds for overnight. Low 48F. NE winds at 10 to 20 mph, decreasing to 5 to 10 mph.

Tomorrow

Cloudy with showers. High 57F. Winds ESE at 10 to 20 mph. Chance of rain 40%.

Next 12 Hours

Time
Temp
Precip
5 PM
73°
2%
5 PM
73°

Wind: WNW @ 17mph

Precip: 2% Chance

Humidity: 33%

Wind Chill: 73°

Heat Index: 73°

UV Index: 2 Low

Visibility: 10 mi

6 PM
71°
1%
6 PM
71°

Wind: NW @ 14mph

Precip: 1% Chance

Humidity: 36%

Wind Chill: 71°

Heat Index: 71°

UV Index: 1 Low

Visibility: 10 mi

7 PM
68°
1%
7 PM
68°

Wind: NNW @ 11mph

Precip: 1% Chance

Humidity: 40%

Wind Chill: 68°

Heat Index: 68°

UV Index: 0 Low

Visibility: 10 mi

8 PM
63°
1%
8 PM
63°

Wind: N @ 8mph

Precip: 1% Chance

Humidity: 47%

Wind Chill: 63°

Heat Index: 63°

UV Index: 0 Low

Visibility: 10 mi

9 PM
58°
1%
9 PM
58°

Wind: NNE @ 7mph

Precip: 1% Chance

Humidity: 54%

Wind Chill: 58°

Heat Index: 58°

UV Index: 0 Low

Visibility: 10 mi

10 PM
56°
1%
10 PM
56°

Wind: NE @ 7mph

Precip: 1% Chance

Humidity: 58%

Wind Chill: 54°

Heat Index: 56°

UV Index: 0 Low

Visibility: 10 mi

11 PM
54°
1%
11 PM
54°

Wind: NE @ 5mph

Precip: 1% Chance

Humidity: 59%

Wind Chill: 53°

Heat Index: 54°

UV Index: 0 Low

Visibility: 10 mi

12 AM
53°
1%
12 AM
53°

Wind: ENE @ 5mph

Precip: 1% Chance

Humidity: 64%

Wind Chill: 51°

Heat Index: 53°

UV Index: 0 Low

Visibility: 10 mi

1 AM
52°
1%
1 AM
52°

Wind: ENE @ 4mph

Precip: 1% Chance

Humidity: 63%

Wind Chill: 52°

Heat Index: 52°

UV Index: 0 Low

Visibility: 10 mi

2 AM
52°
1%
2 AM
52°

Wind: ENE @ 3mph

Precip: 1% Chance

Humidity: 63%

Wind Chill: 52°

Heat Index: 52°

UV Index: 0 Low

Visibility: 10 mi

3 AM
52°
3%
3 AM
52°

Wind: E @ 4mph

Precip: 3% Chance

Humidity: 62%

Wind Chill: 51°

Heat Index: 52°

UV Index: 0 Low

Visibility: 10 mi

4 AM
50°
3%
4 AM
50°

Wind: E @ 6mph

Precip: 3% Chance

Humidity: 63%

Wind Chill: 48°

Heat Index: 50°

UV Index: 0 Low

Visibility: 10 mi