Hourly Weather Forecast - Herculaneum, MO

12 AM
25°F
0%
9mph
WNW
Mostly Clear
Humidity
59%
Feels like
16°F
Dew Point
13°F
1 AM
24°F
0%
9mph
NW
Clear
Humidity
58%
Feels like
14°F
Dew Point
11°F
2 AM
23°F
0%
10mph
NW
Clear
Humidity
56%
Feels like
12°F
Dew Point
10°F
3 AM
21°F
0%
10mph
NW
Clear
Humidity
54%
Feels like
10°F
Dew Point
7°F
4 AM
19°F
0%
10mph
NW
Clear
Humidity
53%
Feels like
8°F
Dew Point
5°F
5 AM
17°F
0%
10mph
NW
Clear
Humidity
50%
Feels like
5°F
Dew Point
2°F
6 AM
15°F
0%
10mph
NW
Clear
Humidity
49%
Feels like
3°F
Dew Point
0°F
7 AM
15°F
0%
10mph
NW
Clear
Humidity
47%
Feels like
3°F
Dew Point
-1°F
7:15 AM
8 AM
15°F
0%
10mph
NW
Sunny
Humidity
48%
Feels like
3°F
Dew Point
-1°F
9 AM
16°F
0%
11mph
NW
Sunny
Humidity
48%
Feels like
4°F
Dew Point
0°F
10 AM
18°F
0%
10mph
NW
Sunny
Humidity
44%
Feels like
6°F
Dew Point
-1°F
11 AM
19°F
0%
10mph
NW
Sunny
Humidity
40%
Feels like
8°F
Dew Point
-1°F
12 PM
21°F
0%
9mph
NW
Mostly Sunny
Humidity
37%
Feels like
11°F
Dew Point
-1°F
1 PM
22°F
0%
9mph
NW
Mostly Sunny
Humidity
33%
Feels like
13°F
Dew Point
-2°F
2 PM
24°F
0%
9mph
WNW
Partly Cloudy
Humidity
30%
Feels like
14°F
Dew Point
-3°F
3 PM
24°F
0%
8mph
WNW
Partly Cloudy
Humidity
29%
Feels like
15°F
Dew Point
-4°F
4 PM
22°F
0%
6mph
WNW
Mostly Sunny
Humidity
30%
Feels like
14°F
Dew Point
-4°F
5 PM
20°F
0%
5mph
WNW
Mostly Sunny
Humidity
34%
Feels like
14°F
Dew Point
-3°F
5:09 PM
6 PM
19°F
0%
3mph
WNW
Clear
Humidity
37%
Feels like
13°F
Dew Point
-3°F
7 PM
17°F
0%
2mph
WNW
Clear
Humidity
40%
Feels like
17°F
Dew Point
-3°F
8 PM
16°F
0%
2mph
WNW
Clear
Humidity
43%
Feels like
16°F
Dew Point
-3°F
9 PM
14°F
0%
2mph
W
Clear
Humidity
47%
Feels like
14°F
Dew Point
-2°F
10 PM
13°F
0%
2mph
W
Mostly Clear
Humidity
50%
Feels like
13°F
Dew Point
-2°F
11 PM
12°F
0%
2mph
W
Partly Cloudy
Humidity
51%
Feels like
12°F
Dew Point
-2°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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