Hourly Weather Forecast - Alton, IL

12 AM
27°F
0%
7mph
WSW
Mostly Cloudy
Humidity
51%
Feels like
19°F
Dew Point
11°F
1 AM
26°F
0%
8mph
W
Mostly Cloudy
Humidity
52%
Feels like
17°F
Dew Point
11°F
2 AM
24°F
0%
8mph
W
Mostly Cloudy
Humidity
51%
Feels like
15°F
Dew Point
9°F
3 AM
22°F
10%
9mph
W
Partly Cloudy
Humidity
51%
Feels like
13°F
Dew Point
7°F
4 AM
21°F
10%
9mph
W
Partly Cloudy
Humidity
53%
Feels like
11°F
Dew Point
6°F
5 AM
20°F
10%
9mph
W
Partly Cloudy
Humidity
54%
Feels like
9°F
Dew Point
6°F
6 AM
18°F
10%
10mph
WNW
Mostly Cloudy
Humidity
55%
Feels like
6°F
Dew Point
5°F
7 AM
16°F
10%
11mph
WNW
Mostly Cloudy
Humidity
54%
Feels like
4°F
Dew Point
3°F
7:16 AM
8 AM
15°F
10%
12mph
NW
Mostly Cloudy
Humidity
55%
Feels like
2°F
Dew Point
2°F
9 AM
15°F
10%
12mph
NW
Mostly Cloudy
Humidity
55%
Feels like
2°F
Dew Point
2°F
10 AM
16°F
10%
13mph
NW
Mostly Cloudy
Humidity
52%
Feels like
3°F
Dew Point
2°F
11 AM
17°F
0%
13mph
NW
Mostly Cloudy
Humidity
48%
Feels like
4°F
Dew Point
1°F
12 PM
18°F
0%
12mph
WNW
Mostly Cloudy
Humidity
45%
Feels like
5°F
Dew Point
1°F
1 PM
19°F
0%
12mph
WNW
Mostly Cloudy
Humidity
42%
Feels like
6°F
Dew Point
0°F
2 PM
19°F
0%
11mph
WNW
Mostly Cloudy
Humidity
40%
Feels like
7°F
Dew Point
-1°F
3 PM
19°F
0%
11mph
WNW
Partly Cloudy
Humidity
38%
Feels like
8°F
Dew Point
-2°F
4 PM
19°F
10%
9mph
WNW
Partly Cloudy
Humidity
39%
Feels like
8°F
Dew Point
-2°F
5 PM
19°F
10%
8mph
NW
Partly Cloudy
Humidity
40%
Feels like
9°F
Dew Point
-1°F
5:07 PM
6 PM
18°F
10%
6mph
NW
Partly Cloudy
Humidity
44%
Feels like
9°F
Dew Point
0°F
7 PM
17°F
10%
6mph
NW
Partly Cloudy
Humidity
52%
Feels like
9°F
Dew Point
2°F
8 PM
15°F
10%
5mph
NW
Mostly Clear
Humidity
55%
Feels like
7°F
Dew Point
2°F
9 PM
14°F
10%
4mph
NW
Clear
Humidity
58%
Feels like
6°F
Dew Point
2°F
10 PM
13°F
10%
4mph
NW
Clear
Humidity
60%
Feels like
6°F
Dew Point
2°F
11 PM
11°F
10%
3mph
NW
Clear
Humidity
63%
Feels like
5°F
Dew Point
1°F

Snow Forecast through Thursday PM

Clipper Storms Pepper the Great Lakes to New England

The Great Lakes, Appalachia, and the Northeast will see bouts of wintry weather today through the weekend.

Wednesday's Weather Outlook

Today's Weather Outlook

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide