Hourly Weather Forecast - Alton, MO

12 AM
30°F
0%
7mph
NW
Clear
Humidity
54%
Feels like
23°F
Dew Point
15°F
1 AM
29°F
0%
6mph
NW
Clear
Humidity
54%
Feels like
23°F
Dew Point
15°F
2 AM
28°F
0%
5mph
NW
Clear
Humidity
55%
Feels like
22°F
Dew Point
14°F
3 AM
28°F
0%
4mph
NW
Clear
Humidity
56%
Feels like
23°F
Dew Point
14°F
4 AM
26°F
0%
4mph
NW
Clear
Humidity
58%
Feels like
22°F
Dew Point
14°F
5 AM
25°F
0%
4mph
NW
Clear
Humidity
61%
Feels like
21°F
Dew Point
14°F
6 AM
25°F
0%
4mph
NW
Clear
Humidity
62%
Feels like
20°F
Dew Point
14°F
7 AM
25°F
0%
4mph
WNW
Clear
Humidity
60%
Feels like
21°F
Dew Point
14°F
7:13 AM
8 AM
27°F
0%
4mph
WNW
Sunny
Humidity
58%
Feels like
22°F
Dew Point
14°F
9 AM
28°F
0%
4mph
W
Sunny
Humidity
54%
Feels like
24°F
Dew Point
14°F
10 AM
31°F
0%
2mph
WSW
Sunny
Humidity
49%
Feels like
31°F
Dew Point
14°F
11 AM
35°F
0%
3mph
S
Sunny
Humidity
42%
Feels like
35°F
Dew Point
15°F
12 PM
38°F
0%
4mph
SSE
Sunny
Humidity
38%
Feels like
34°F
Dew Point
15°F
1 PM
40°F
0%
6mph
SSE
Sunny
Humidity
36%
Feels like
36°F
Dew Point
15°F
2 PM
41°F
0%
6mph
SSE
Sunny
Humidity
35%
Feels like
37°F
Dew Point
16°F
3 PM
42°F
0%
6mph
SSE
Sunny
Humidity
37%
Feels like
38°F
Dew Point
17°F
4 PM
40°F
0%
6mph
SSE
Sunny
Humidity
42%
Feels like
36°F
Dew Point
19°F
4:52 PM
5 PM
38°F
0%
6mph
SSE
Clear
Humidity
49%
Feels like
33°F
Dew Point
21°F
6 PM
36°F
0%
6mph
SSE
Clear
Humidity
56%
Feels like
31°F
Dew Point
22°F
7 PM
35°F
0%
6mph
SSE
Clear
Humidity
61%
Feels like
30°F
Dew Point
23°F
8 PM
34°F
0%
6mph
SSE
Clear
Humidity
64%
Feels like
29°F
Dew Point
23°F
9 PM
33°F
0%
6mph
S
Clear
Humidity
67%
Feels like
28°F
Dew Point
24°F
10 PM
33°F
0%
6mph
S
Clear
Humidity
69%
Feels like
27°F
Dew Point
24°F
11 PM
33°F
0%
6mph
S
Clear
Humidity
70%
Feels like
28°F
Dew Point
25°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide