Hourly Weather Forecast - Herculaneum, MO

12 AM
36°F
90%
6mph
ENE
Rain
Humidity
87%
Feels like
30°F
Dew Point
32°F
1 AM
35°F
90%
6mph
ENE
Rain
Humidity
90%
Feels like
30°F
Dew Point
33°F
2 AM
35°F
90%
6mph
ENE
Light Rain
Humidity
91%
Feels like
31°F
Dew Point
33°F
3 AM
36°F
90%
6mph
ENE
Light Rain
Humidity
91%
Feels like
31°F
Dew Point
33°F
4 AM
36°F
80%
6mph
ENE
80% Chance of Light Rain
Humidity
91%
Feels like
31°F
Dew Point
33°F
5 AM
36°F
60%
6mph
ENE
60% Chance of Light Rain
Humidity
92%
Feels like
31°F
Dew Point
33°F
6 AM
36°F
50%
6mph
ENE
50% Chance of Light Rain
Humidity
95%
Feels like
31°F
Dew Point
35°F
6:32 AM
7 AM
37°F
30%
5mph
ENE
30% Chance of Light Rain
Humidity
97%
Feels like
32°F
Dew Point
36°F
8 AM
38°F
20%
6mph
ENE
Cloudy
Humidity
97%
Feels like
34°F
Dew Point
37°F
9 AM
40°F
10%
6mph
E
Cloudy
Humidity
96%
Feels like
35°F
Dew Point
39°F
10 AM
41°F
10%
6mph
E
Cloudy
Humidity
94%
Feels like
37°F
Dew Point
40°F
11 AM
43°F
10%
6mph
E
Mostly Cloudy
Humidity
90%
Feels like
39°F
Dew Point
40°F
12 PM
44°F
10%
6mph
E
Mostly Cloudy
Humidity
86%
Feels like
41°F
Dew Point
41°F
1 PM
46°F
0%
6mph
E
Mostly Cloudy
Humidity
82%
Feels like
43°F
Dew Point
41°F
2 PM
47°F
0%
5mph
E
Mostly Cloudy
Humidity
80%
Feels like
45°F
Dew Point
41°F
3 PM
48°F
0%
5mph
ENE
Mostly Cloudy
Humidity
78%
Feels like
46°F
Dew Point
41°F
4 PM
48°F
0%
4mph
ENE
Mostly Cloudy
Humidity
79%
Feels like
46°F
Dew Point
41°F
5 PM
47°F
0%
4mph
E
Mostly Cloudy
Humidity
81%
Feels like
45°F
Dew Point
41°F
5:55 PM
6 PM
46°F
0%
3mph
E
Partly Cloudy
Humidity
84%
Feels like
45°F
Dew Point
41°F
7 PM
45°F
0%
3mph
E
Partly Cloudy
Humidity
86%
Feels like
45°F
Dew Point
41°F
8 PM
44°F
0%
3mph
E
Partly Cloudy
Humidity
88%
Feels like
44°F
Dew Point
40°F
9 PM
43°F
10%
3mph
E
Mostly Cloudy
Humidity
89%
Feels like
43°F
Dew Point
40°F
10 PM
42°F
10%
3mph
E
Mostly Cloudy
Humidity
88%
Feels like
41°F
Dew Point
39°F
11 PM
42°F
20%
3mph
ESE
Cloudy
Humidity
88%
Feels like
41°F
Dew Point
39°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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