Hourly Weather Forecast - Alton, MO

12 AM
25°F
0%
4mph
SW
Clear
Humidity
59%
Feels like
21°F
Dew Point
13°F
1 AM
25°F
0%
3mph
SW
Clear
Humidity
60%
Feels like
21°F
Dew Point
13°F
2 AM
25°F
0%
3mph
SSW
Mostly Clear
Humidity
60%
Feels like
25°F
Dew Point
14°F
3 AM
26°F
0%
3mph
SSW
Mostly Clear
Humidity
61%
Feels like
26°F
Dew Point
14°F
4 AM
26°F
0%
3mph
SSW
Partly Cloudy
Humidity
62%
Feels like
22°F
Dew Point
14°F
5 AM
25°F
0%
3mph
SSW
Partly Cloudy
Humidity
63%
Feels like
21°F
Dew Point
15°F
6 AM
26°F
10%
4mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
22°F
Dew Point
16°F
7 AM
27°F
10%
4mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
23°F
Dew Point
17°F
7:11 AM
8 AM
29°F
10%
4mph
S
Mostly Cloudy
Humidity
65%
Feels like
25°F
Dew Point
19°F
9 AM
32°F
10%
4mph
S
Mostly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
21°F
10 AM
36°F
10%
5mph
S
Mostly Cloudy
Humidity
59%
Feels like
32°F
Dew Point
23°F
11 AM
41°F
0%
7mph
S
Partly Cloudy
Humidity
54%
Feels like
36°F
Dew Point
26°F
12 PM
45°F
0%
8mph
S
Partly Cloudy
Humidity
50%
Feels like
40°F
Dew Point
27°F
1 PM
47°F
0%
8mph
S
Partly Cloudy
Humidity
48%
Feels like
43°F
Dew Point
29°F
2 PM
49°F
0%
9mph
S
Partly Cloudy
Humidity
48%
Feels like
45°F
Dew Point
30°F
3 PM
49°F
0%
9mph
S
Partly Cloudy
Humidity
50%
Feels like
45°F
Dew Point
31°F
4 PM
47°F
0%
9mph
S
Partly Cloudy
Humidity
54%
Feels like
43°F
Dew Point
32°F
4:50 PM
5 PM
44°F
0%
8mph
S
Mostly Clear
Humidity
60%
Feels like
39°F
Dew Point
31°F
6 PM
42°F
0%
8mph
S
Mostly Clear
Humidity
66%
Feels like
36°F
Dew Point
31°F
7 PM
40°F
0%
8mph
SSW
Mostly Clear
Humidity
69%
Feels like
35°F
Dew Point
31°F
8 PM
39°F
0%
7mph
SSW
Mostly Clear
Humidity
71%
Feels like
34°F
Dew Point
30°F
9 PM
38°F
0%
6mph
SSW
Partly Cloudy
Humidity
73%
Feels like
34°F
Dew Point
30°F
10 PM
38°F
0%
6mph
SSW
Mostly Clear
Humidity
75%
Feels like
33°F
Dew Point
30°F
11 PM
37°F
0%
5mph
SW
Mostly Clear
Humidity
77%
Feels like
33°F
Dew Point
31°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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