Hourly Weather Forecast - Alton, MO

6 PM
43°F
0%
12mph
S
Mostly Clear
Humidity
73%
Feels like
36°F
Dew Point
35°F
7 PM
41°F
0%
12mph
SSW
Mostly Clear
Humidity
77%
Feels like
35°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
40°F
0%
11mph
SSW
Partly Cloudy
Humidity
82%
Feels like
34°F
Dew Point
35°F
10 PM
40°F
0%
11mph
SSW
Mostly Clear
Humidity
83%
Feels like
33°F
Dew Point
35°F
11 PM
40°F
0%
11mph
SSW
Mostly Clear
Humidity
83%
Feels like
34°F
Dew Point
35°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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