Hourly Weather Forecast - Alton, MO

12 AM
40°F
0%
7mph
N
Mostly Cloudy
Humidity
76%
Feels like
35°F
Dew Point
33°F
1 AM
39°F
0%
7mph
N
Partly Cloudy
Humidity
75%
Feels like
34°F
Dew Point
31°F
2 AM
38°F
0%
7mph
NNE
Partly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
30°F
3 AM
37°F
0%
7mph
NNE
Mostly Clear
Humidity
71%
Feels like
31°F
Dew Point
28°F
4 AM
36°F
0%
6mph
NNE
Partly Cloudy
Humidity
69%
Feels like
30°F
Dew Point
26°F
5 AM
35°F
0%
6mph
NNE
Partly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
25°F
6 AM
35°F
0%
6mph
NNE
Partly Cloudy
Humidity
64%
Feels like
29°F
Dew Point
24°F
7 AM
35°F
0%
6mph
NE
Partly Cloudy
Humidity
62%
Feels like
30°F
Dew Point
23°F
7:14 AM
8 AM
37°F
0%
6mph
NE
Partly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
24°F
9 AM
38°F
0%
6mph
NE
Partly Cloudy
Humidity
56%
Feels like
33°F
Dew Point
24°F
10 AM
41°F
0%
7mph
NE
Partly Cloudy
Humidity
49%
Feels like
36°F
Dew Point
23°F
11 AM
44°F
0%
7mph
ENE
Mostly Sunny
Humidity
42%
Feels like
40°F
Dew Point
22°F
12 PM
47°F
0%
7mph
ENE
Mostly Sunny
Humidity
36%
Feels like
43°F
Dew Point
21°F
1 PM
48°F
0%
7mph
ENE
Partly Cloudy
Humidity
33%
Feels like
45°F
Dew Point
20°F
2 PM
49°F
0%
7mph
ENE
Partly Cloudy
Humidity
32%
Feels like
46°F
Dew Point
20°F
3 PM
49°F
0%
7mph
E
Partly Cloudy
Humidity
33%
Feels like
45°F
Dew Point
21°F
4 PM
47°F
0%
6mph
E
Mostly Sunny
Humidity
37%
Feels like
43°F
Dew Point
22°F
4:52 PM
5 PM
44°F
0%
6mph
E
Mostly Clear
Humidity
43%
Feels like
40°F
Dew Point
22°F
6 PM
41°F
0%
5mph
E
Clear
Humidity
48%
Feels like
38°F
Dew Point
23°F
7 PM
39°F
0%
5mph
E
Clear
Humidity
52%
Feels like
36°F
Dew Point
23°F
8 PM
38°F
0%
5mph
E
Mostly Clear
Humidity
55%
Feels like
34°F
Dew Point
23°F
9 PM
37°F
0%
5mph
E
Mostly Clear
Humidity
57%
Feels like
32°F
Dew Point
23°F
10 PM
36°F
0%
5mph
E
Mostly Clear
Humidity
59%
Feels like
31°F
Dew Point
23°F
11 PM
35°F
0%
5mph
E
Clear
Humidity
60%
Feels like
31°F
Dew Point
23°F

Forecast Peak Wind Gusts Today

Clipper System Blasts Central, Eastern U.S. With Winter Impacts

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

NOAA, NCDC

White Christmas? What Are The Odds

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide