Hourly Weather Forecast - Herculaneum, MO

4 PM
35°F
0%
1mph
N
Mostly Sunny
Humidity
64%
Feels like
35°F
Dew Point
24°F
4:41 PM
5 PM
33°F
0%
2mph
E
Mostly Clear
Humidity
67%
Feels like
33°F
Dew Point
23°F
6 PM
31°F
0%
3mph
ESE
Clear
Humidity
75%
Feels like
31°F
Dew Point
24°F
7 PM
30°F
0%
3mph
ESE
Clear
Humidity
78%
Feels like
26°F
Dew Point
24°F
8 PM
29°F
0%
4mph
SE
Clear
Humidity
80%
Feels like
25°F
Dew Point
23°F
9 PM
28°F
0%
4mph
SSE
Clear
Humidity
80%
Feels like
23°F
Dew Point
23°F
10 PM
28°F
0%
4mph
SSE
Partly Cloudy
Humidity
82%
Feels like
23°F
Dew Point
24°F
11 PM
29°F
0%
5mph
SSE
Partly Cloudy
Humidity
81%
Feels like
24°F
Dew Point
24°F

Rainfall Forecast for Northwest through Thursday

Persistent, Flooding Rain Impacts the Northwest

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

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

Tuesday's Weather Outlook

Tuesday'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