Hourly Weather Forecast - Herculaneum, MO

12 AM
29°F
0%
8mph
SSW
Partly Cloudy
Humidity
54%
Feels like
22°F
Dew Point
15°F
1 AM
30°F
0%
8mph
SSW
Mostly Cloudy
Humidity
57%
Feels like
22°F
Dew Point
16°F
2 AM
30°F
0%
8mph
SSW
Cloudy
Humidity
63%
Feels like
22°F
Dew Point
19°F
3 AM
30°F
0%
8mph
SSW
Cloudy
Humidity
68%
Feels like
23°F
Dew Point
21°F
4 AM
30°F
0%
8mph
SW
Mostly Cloudy
Humidity
71%
Feels like
23°F
Dew Point
22°F
5 AM
31°F
0%
7mph
SW
Partly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
23°F
6 AM
31°F
0%
7mph
SW
Clear
Humidity
75%
Feels like
25°F
Dew Point
24°F
7 AM
33°F
0%
7mph
SW
Clear
Humidity
76%
Feels like
26°F
Dew Point
26°F
7:14 AM
8 AM
35°F
0%
7mph
SW
Sunny
Humidity
80%
Feels like
29°F
Dew Point
29°F
9 AM
37°F
0%
7mph
WSW
Sunny
Humidity
81%
Feels like
31°F
Dew Point
31°F
10 AM
39°F
10%
7mph
WSW
Sunny
Humidity
75%
Feels like
34°F
Dew Point
32°F
11 AM
41°F
10%
8mph
W
Mostly Sunny
Humidity
67%
Feels like
36°F
Dew Point
31°F
12 PM
43°F
10%
9mph
W
Mostly Sunny
Humidity
60%
Feels like
38°F
Dew Point
30°F
1 PM
44°F
10%
9mph
W
Mostly Sunny
Humidity
52%
Feels like
40°F
Dew Point
28°F
2 PM
45°F
10%
8mph
WNW
Mostly Sunny
Humidity
44%
Feels like
41°F
Dew Point
25°F
3 PM
45°F
10%
8mph
WNW
Mostly Sunny
Humidity
41%
Feels like
40°F
Dew Point
22°F
4 PM
42°F
10%
6mph
WNW
Partly Cloudy
Humidity
42%
Feels like
38°F
Dew Point
21°F
5 PM
40°F
10%
5mph
WNW
Partly Cloudy
Humidity
47%
Feels like
36°F
Dew Point
21°F
5:11 PM
6 PM
37°F
10%
4mph
NW
Mostly Cloudy
Humidity
47%
Feels like
34°F
Dew Point
19°F
7 PM
35°F
10%
3mph
NW
Mostly Cloudy
Humidity
50%
Feels like
32°F
Dew Point
18°F
8 PM
33°F
10%
3mph
WNW
Cloudy
Humidity
54%
Feels like
33°F
Dew Point
18°F
9 PM
31°F
10%
3mph
WNW
Cloudy
Humidity
57%
Feels like
31°F
Dew Point
18°F
10 PM
30°F
10%
3mph
WNW
Mostly Cloudy
Humidity
60%
Feels like
30°F
Dew Point
18°F
11 PM
29°F
10%
3mph
WNW
Partly Cloudy
Humidity
61%
Feels like
29°F
Dew Point
17°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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