Hourly Weather Forecast - Herculaneum, MO

12 AM
28°F
10%
3mph
WNW
Mostly Clear
Humidity
63%
Feels like
28°F
Dew Point
17°F
1 AM
26°F
10%
3mph
WNW
Mostly Clear
Humidity
65%
Feels like
26°F
Dew Point
16°F
2 AM
25°F
10%
3mph
WNW
Partly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
16°F
3 AM
24°F
10%
3mph
NW
Partly Cloudy
Humidity
70%
Feels like
24°F
Dew Point
16°F
4 AM
23°F
10%
3mph
WNW
Partly Cloudy
Humidity
71%
Feels like
19°F
Dew Point
15°F
5 AM
23°F
10%
3mph
WNW
Mostly Clear
Humidity
72%
Feels like
19°F
Dew Point
15°F
6 AM
23°F
10%
3mph
WNW
Clear
Humidity
70%
Feels like
19°F
Dew Point
15°F
7 AM
24°F
10%
4mph
WNW
Clear
Humidity
67%
Feels like
19°F
Dew Point
15°F
7:14 AM
8 AM
26°F
10%
4mph
WNW
Sunny
Humidity
66%
Feels like
21°F
Dew Point
16°F
9 AM
28°F
10%
4mph
WNW
Sunny
Humidity
61%
Feels like
24°F
Dew Point
17°F
10 AM
31°F
10%
5mph
WNW
Sunny
Humidity
50%
Feels like
26°F
Dew Point
15°F
11 AM
34°F
10%
5mph
WNW
Sunny
Humidity
40%
Feels like
29°F
Dew Point
12°F
12 PM
36°F
10%
6mph
WNW
Sunny
Humidity
34%
Feels like
31°F
Dew Point
11°F
1 PM
38°F
10%
6mph
W
Sunny
Humidity
30%
Feels like
33°F
Dew Point
10°F
2 PM
39°F
10%
6mph
W
Sunny
Humidity
28%
Feels like
35°F
Dew Point
9°F
3 PM
39°F
10%
5mph
W
Sunny
Humidity
29%
Feels like
36°F
Dew Point
10°F
4 PM
38°F
10%
4mph
WSW
Mostly Sunny
Humidity
31%
Feels like
35°F
Dew Point
10°F
5 PM
35°F
10%
2mph
SW
Partly Cloudy
Humidity
36%
Feels like
35°F
Dew Point
11°F
5:12 PM
6 PM
33°F
10%
2mph
S
Cloudy
Humidity
44%
Feels like
33°F
Dew Point
13°F
7 PM
31°F
10%
3mph
S
Cloudy
Humidity
42%
Feels like
31°F
Dew Point
10°F
8 PM
29°F
10%
3mph
S
Mostly Cloudy
Humidity
46%
Feels like
26°F
Dew Point
11°F
9 PM
29°F
10%
4mph
S
Partly Cloudy
Humidity
48%
Feels like
24°F
Dew Point
11°F
10 PM
28°F
20%
4mph
S
Mostly Cloudy
Humidity
49%
Feels like
23°F
Dew Point
11°F
11 PM
28°F
20%
4mph
S
Mostly Cloudy
Humidity
51%
Feels like
23°F
Dew Point
12°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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