Local Forecast

Herculaneum, MO Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Herculaneum, MO.

No Active Alerts

Hour-by-Hour  Current Observation

Sunday 12:05 AM CDTSunday 12:05 AM

°F °C
Regional Observations →
73°F

Clear

  • 89° / 69° High / Low
  • 73° Feels Like
  • 0% Chance of Rain

Wind

N

0 mph

UV Index

0

None

Humidity

69%

Dew 62°F

Sun

5:49 AM · 8:06 PM

Rise · Set

Source: ST LOUIS/SPIRIT (KSUS). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

89° 69°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Today

Mostly sunny, with a high near 90. South wind 6 to 12 mph, with gusts as high as 23 mph.

Night

Partly cloudy, with a low around 69. South wind 7 to 12 mph, with gusts as high as 22 mph.

Monday

91° 71°

Chance of Thunderstorms

Overnight: Isolated T-storm

Detailed forecast

Monday

A chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms between 11am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. South wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Night

Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 69. South wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Tuesday

89° 59°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Tuesday

Showers and thunderstorms after 7am. Partly sunny. High near 88, with temperatures falling to around 82 in the afternoon. Chance of precipitation is 90%.

Night

Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 90%.

Wednesday

73° 53°

Slight Chance of Rain Showers

Overnight: Slight Chance of Rain

Detailed forecast

Wednesday

Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

Night

A slight chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

Thursday

73° 53°

Mostly Cloudy

Overnight: Slight Chance of Rain

Detailed forecast

Thursday

A slight chance of rain showers before 7am. Partly sunny, with a high near 72. Chance of precipitation is 20%.

Night

A slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.