Hourly Weather Forecast - Herculaneum, MO

12 AM
58°F
30%
5mph
S
30% Chance Rain Showers
Humidity
67%
Feels like
58°F
Dew Point
46°F
1 AM
57°F
0%
5mph
S
Partly Cloudy
Humidity
69%
Feels like
57°F
Dew Point
47°F
2 AM
56°F
0%
5mph
S
Clear
Humidity
72%
Feels like
56°F
Dew Point
47°F
3 AM
55°F
0%
6mph
S
Clear
Humidity
76%
Feels like
55°F
Dew Point
48°F
4 AM
54°F
0%
6mph
S
Clear
Humidity
79%
Feels like
54°F
Dew Point
48°F
5 AM
54°F
0%
6mph
SSW
Clear
Humidity
83%
Feels like
54°F
Dew Point
49°F
6 AM
53°F
0%
6mph
SSW
Clear
Humidity
86%
Feels like
53°F
Dew Point
49°F
6:56 AM
7 AM
54°F
0%
7mph
SSW
Sunny
Humidity
86%
Feels like
54°F
Dew Point
50°F
8 AM
58°F
0%
8mph
SSW
Mostly Sunny
Humidity
78%
Feels like
58°F
Dew Point
51°F
9 AM
62°F
0%
9mph
SSW
Partly Cloudy
Humidity
73%
Feels like
62°F
Dew Point
53°F
10 AM
67°F
0%
9mph
SSW
Partly Cloudy
Humidity
67%
Feels like
67°F
Dew Point
55°F
11 AM
71°F
0%
10mph
SW
Partly Cloudy
Humidity
60%
Feels like
71°F
Dew Point
56°F
12 PM
74°F
0%
11mph
SW
Partly Cloudy
Humidity
54%
Feels like
74°F
Dew Point
57°F
1 PM
77°F
0%
11mph
SW
Partly Cloudy
Humidity
50%
Feels like
77°F
Dew Point
57°F
2 PM
79°F
0%
10mph
WSW
Partly Cloudy
Humidity
48%
Feels like
79°F
Dew Point
58°F
3 PM
79°F
0%
8mph
W
Mostly Cloudy
Humidity
48%
Feels like
79°F
Dew Point
58°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

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

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

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

(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

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

When Does Spring Begin?

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