Hourly Weather Forecast - Alton, MO

11 AM
73°F
0%
5mph
WSW
Sunny
Humidity
51%
Feels like
73°F
Dew Point
54°F
12 PM
78°F
0%
5mph
WSW
Sunny
Humidity
44%
Feels like
78°F
Dew Point
54°F
1 PM
82°F
0%
5mph
WSW
Sunny
Humidity
38%
Feels like
81°F
Dew Point
53°F
2 PM
84°F
0%
6mph
WSW
Sunny
Humidity
33%
Feels like
82°F
Dew Point
52°F
3 PM
86°F
0%
6mph
SW
Sunny
Humidity
30%
Feels like
83°F
Dew Point
51°F
4 PM
86°F
0%
6mph
SW
Sunny
Humidity
29%
Feels like
84°F
Dew Point
50°F
5 PM
85°F
0%
5mph
SW
Sunny
Humidity
31%
Feels like
83°F
Dew Point
51°F
6 PM
82°F
0%
4mph
SW
Sunny
Humidity
34%
Feels like
81°F
Dew Point
51°F
7 PM
79°F
0%
4mph
SSW
Sunny
Humidity
39%
Feels like
79°F
Dew Point
52°F
7:17 PM
8 PM
76°F
0%
4mph
SSW
Clear
Humidity
44%
Feels like
76°F
Dew Point
53°F
9 PM
72°F
0%
5mph
SSW
Clear
Humidity
51%
Feels like
72°F
Dew Point
53°F
10 PM
69°F
0%
5mph
SW
Mostly Clear
Humidity
58%
Feels like
69°F
Dew Point
54°F
11 PM
67°F
0%
5mph
SW
Mostly Clear
Humidity
63%
Feels like
67°F
Dew Point
54°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

Lightning Safety

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide