Herculaneum, MO Weather Forecast
Jefferson County, Missouri
Live radar, warnings and storm tracking for Herculaneum, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Herculaneum
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Herculaneum, MO at a glance
Herculaneum is home to about 5,245 people in Jefferson County, across 4.2 square miles. It ranks 129th by population of 211 places in Missouri with a forecast here. The nearest neighbour with its own forecast is Pevely, 2 miles away.
- County
- Jefferson County
- Population
- 5,245 2023 est.
- Land area
- 4.2 sq mi
- People per sq mi
- 1,261
- Forecast point
- 38.2576°N, 90.3931°W
How well can the network see Herculaneum?
The nearest Doppler radar is KLSX (St. Louis, MO), to the NNW. Its lowest scan passes about 2,200 ft above Herculaneum. Close enough to see rotation in the low part of a storm, where tornadoes form. Herculaneum is closer to its radar than 64% of US cities.
The closest weather station is KCPS (St Louis/Downtown Arpt). Far enough that current conditions for Herculaneum are a reading from somewhere else.
Forecasts near Herculaneum
- Pevely, MO2 mi
- Crystal City, MO2 mi
- Festus, MO3 mi
- Hillsboro, MO10 mi
- Arnold, MO12 mi
- De Soto, MO12 mi
- Waterloo, IL14 mi
- Byrnes Mill, MO16 mi
Elsewhere in Missouri
Kansas CitySt. LouisSpringfieldColumbiaIndependenceLee's SummitAll Missouri forecasts →