Weather Alert
Herculaneum Weather Warning NWS WEATHER ALERT FOR THE HERCULANEUM, MO AREA - Issued: 258 AM CDT Fri Sep 18 2026 Herculaneum Weather Warning

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Herculaneum, MO Weather - Hour by Hour Forecast

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Herculaneum, MO Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 74°F23°C, dew point 72°F22°C, humidity 93%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.14 in1020 mb.
Rest of Tonight - Mostly clear. Near steady temperature in the mid 70s. Light and variable winds... Full Forecast
Friday - Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Northwest winds around 5 mph... Full Forecast

Herculaneum Hourly Weather

24 Hour Forecast Scroll
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Herculaneum, MO Hourly Weather - Partly Cloudy - 3:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 4:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 5:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 6:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 7:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 8:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 9:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 10:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 11:00 AM Herculaneum, MO Hourly Weather - Mostly Clear - 12:00 PM Herculaneum, MO Hourly Weather - Mostly Clear - 1:00 PM Herculaneum, MO Hourly Weather - Mostly Clear - 2:00 PM Herculaneum, MO Hourly Weather - Mostly Clear - 3:00 PM Herculaneum, MO Hourly Weather - Mostly Clear - 4:00 PM Herculaneum, MO Hourly Weather - Mostly Clear - 5:00 PM Herculaneum, MO Hourly Weather - Partly Cloudy - 6:00 PM Herculaneum, MO Hourly Weather - Partly Cloudy - 7:00 PM Herculaneum, MO Hourly Weather - Partly Cloudy - 8:00 PM Herculaneum, MO Hourly Weather - Mostly Clear - 9:00 PM Herculaneum, MO Hourly Weather - Mostly Clear - 10:00 PM Herculaneum, MO Hourly Weather - Mostly Clear - 11:00 PM Herculaneum, MO Hourly Weather - Partly Cloudy - 12:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 1:00 AM Herculaneum, MO Hourly Weather - Partly Cloudy - 2:00 AM
Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy
76°F24°C 75°F24°C 75°F24°C 74°F23°C 74°F23°C 77°F25°C 80°F27°C 83°F28°C 86°F30°C 89°F32°C 92°F33°C 93°F34°C 93°F34°C 94°F34°C 92°F33°C 89°F32°C 87°F31°C 84°F29°C 81°F27°C 78°F26°C 77°F25°C 77°F25°C 76°F24°C 75°F24°C
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23% 23% 23% 23% 23% 5% 5% 5% 5% 5% 5% 8% 8% 8% 8% 8% 8% 12% 12% 12% 12% 12% 12% 14%
72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 73°F23°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 72°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C
87% 90% 90% 93% 93% 85% 79% 72% 63% 57% 51% 49% 47% 46% 49% 56% 59% 65% 74% 82% 85% 82% 85% 84%
WNW NW SW SSE ENE E E ESE SE SE SSE SE ESE E ENE ENE NE ENE E ESE ESE SE SE SE
1 mph 1 mph 1 mph 1 mph 1 mph 1 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph
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Hour (CDT)
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POP = Probability of Precipitation. ** Indicates missing data/values from KCPS model statistics.

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Prob Precip % = Probability of Precipitation.

Herculaneum 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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