Hourly Weather Forecast - Alton, MO

11 AM
44°F
0%
9mph
SSW
Sunny
Humidity
64%
Feels like
39°F
Dew Point
33°F
12 PM
48°F
0%
9mph
SSW
Sunny
Humidity
56%
Feels like
44°F
Dew Point
33°F
1 PM
50°F
0%
10mph
SSW
Sunny
Humidity
52%
Feels like
50°F
Dew Point
33°F
2 PM
51°F
0%
10mph
SSW
Sunny
Humidity
51%
Feels like
51°F
Dew Point
34°F
3 PM
51°F
0%
11mph
SSW
Mostly Sunny
Humidity
52%
Feels like
51°F
Dew Point
34°F
4 PM
49°F
0%
11mph
SSW
Mostly Sunny
Humidity
57%
Feels like
45°F
Dew Point
35°F
4:49 PM
5 PM
46°F
0%
11mph
S
Mostly Clear
Humidity
65%
Feels like
41°F
Dew Point
35°F
6 PM
43°F
0%
11mph
S
Mostly Clear
Humidity
72%
Feels like
37°F
Dew Point
35°F
7 PM
42°F
0%
11mph
SSW
Partly Cloudy
Humidity
77%
Feels like
36°F
Dew Point
35°F
8 PM
41°F
0%
11mph
SSW
Partly Cloudy
Humidity
80%
Feels like
34°F
Dew Point
35°F
9 PM
41°F
0%
11mph
SSW
Partly Cloudy
Humidity
82%
Feels like
34°F
Dew Point
36°F
10 PM
40°F
0%
11mph
SSW
Partly Cloudy
Humidity
83%
Feels like
34°F
Dew Point
36°F
11 PM
40°F
0%
10mph
SW
Partly Cloudy
Humidity
83%
Feels like
34°F
Dew Point
36°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide