Hourly Weather Forecast - Herculaneum, MO

11 AM
63°F
10%
2mph
S
Partly Cloudy
Humidity
58%
Feels like
63°F
Dew Point
48°F
12 PM
68°F
10%
3mph
S
Partly Cloudy
Humidity
50%
Feels like
68°F
Dew Point
49°F
1 PM
72°F
10%
4mph
SSW
Partly Cloudy
Humidity
43%
Feels like
72°F
Dew Point
49°F
2 PM
75°F
0%
4mph
S
Partly Cloudy
Humidity
39%
Feels like
75°F
Dew Point
48°F
3 PM
77°F
0%
5mph
S
Mostly Sunny
Humidity
35%
Feels like
77°F
Dew Point
47°F
4 PM
77°F
0%
5mph
S
Sunny
Humidity
34%
Feels like
77°F
Dew Point
47°F
5 PM
76°F
0%
5mph
S
Sunny
Humidity
36%
Feels like
76°F
Dew Point
47°F
6 PM
73°F
0%
4mph
S
Sunny
Humidity
42%
Feels like
73°F
Dew Point
49°F
7 PM
70°F
0%
4mph
SSE
Sunny
Humidity
47%
Feels like
70°F
Dew Point
49°F
7:12 PM
8 PM
67°F
0%
4mph
SSE
Clear
Humidity
53%
Feels like
67°F
Dew Point
49°F
9 PM
64°F
0%
4mph
S
Clear
Humidity
56%
Feels like
64°F
Dew Point
48°F
10 PM
61°F
0%
4mph
S
Clear
Humidity
61%
Feels like
61°F
Dew Point
48°F
11 PM
60°F
0%
3mph
SSW
Clear
Humidity
65%
Feels like
60°F
Dew Point
48°F

Today's High Temperature Outlook

Summer-Like Heat Scorches the Southwest

The calendar may stay it's only March, but it will feel like Summer across the Southwest over the next several days.

Today's Weather Outlook

Today's Weather Outlook

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

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide