Hourly Weather Forecast - Alton, MO

12 AM
34°F
0%
6mph
S
Clear
Humidity
72%
Feels like
28°F
Dew Point
26°F
1 AM
34°F
0%
7mph
S
Clear
Humidity
73%
Feels like
28°F
Dew Point
26°F
2 AM
34°F
0%
7mph
S
Clear
Humidity
75%
Feels like
28°F
Dew Point
27°F
3 AM
34°F
0%
7mph
S
Clear
Humidity
76%
Feels like
28°F
Dew Point
28°F
4 AM
34°F
0%
7mph
S
Clear
Humidity
78%
Feels like
28°F
Dew Point
28°F
5 AM
34°F
0%
7mph
S
Clear
Humidity
80%
Feels like
28°F
Dew Point
29°F
6 AM
35°F
0%
8mph
S
Clear
Humidity
81%
Feels like
29°F
Dew Point
30°F
7 AM
37°F
0%
8mph
S
Clear
Humidity
81%
Feels like
31°F
Dew Point
32°F
7:13 AM
8 AM
40°F
0%
9mph
S
Sunny
Humidity
80%
Feels like
34°F
Dew Point
34°F
9 AM
43°F
10%
9mph
S
Sunny
Humidity
78%
Feels like
38°F
Dew Point
37°F
10 AM
46°F
10%
10mph
S
Sunny
Humidity
74%
Feels like
41°F
Dew Point
38°F
11 AM
50°F
10%
11mph
S
Sunny
Humidity
68%
Feels like
50°F
Dew Point
40°F
12 PM
53°F
10%
11mph
S
Sunny
Humidity
64%
Feels like
53°F
Dew Point
42°F
1 PM
55°F
10%
11mph
S
Sunny
Humidity
63%
Feels like
55°F
Dew Point
43°F
2 PM
56°F
10%
11mph
SSW
Sunny
Humidity
62%
Feels like
56°F
Dew Point
44°F
3 PM
57°F
30%
10mph
SSW
30% Chance Rain Showers
Humidity
64%
Feels like
57°F
Dew Point
45°F
4 PM
56°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
69%
Feels like
56°F
Dew Point
46°F
4:52 PM
5 PM
54°F
30%
8mph
SSW
30% Chance Rain Showers
Humidity
75%
Feels like
54°F
Dew Point
46°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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