Weather Forecast for
Herculaneum, MO


This Afternoon: Sunny, with a high near 91. Heat index values as high as 101. Light south wind.

Tonight: Clear, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.

Sunday: Sunny, with a high near 94. Heat index values as high as 105. Light south wind increasing to 5 to 10 mph in the morning.

Sunday Night: Mostly clear, with a low around 74. South wind 5 to 8 mph.

Monday: Sunny, with a high near 96. Southwest wind 3 to 6 mph.

Monday Night: Mostly clear, with a low around 75.

Tuesday: Sunny and hot, with a high near 97.

Tuesday Night: Partly cloudy, with a low around 75.

Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

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