10-Day Weather Forecast - Herculaneum, MO

Partly sunny in the morning then becoming mostly cloudy. Patchy fog in the morning. Highs in the mid 60s. Southeast winds 5 to 10 mph.

Mostly cloudy. A slight chance of rain after midnight. Not as cool. Near steady temperature in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Cloudy with a slight chance of thunderstorms. A chance of rain in the morning then rain in the afternoon. Highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.

Mostly cloudy with rain likely with a slight chance of snow in the evening then partly cloudy after midnight. Little or no snow accumulation. Much cooler. Less humid with lows around 19. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 70 percent.

Mostly clear. Highs in the upper 20s. Lows around 20. Wind chill values as low as 5 above.

Mostly clear. Highs in the upper 20s. Lows around 20. Wind chill values as low as 5 above.

Sunny. Not as cool with highs in the upper 30s.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 20s.

Partly sunny. Highs in the mid 40s.

Partly cloudy. Lows around 20. Highs in the lower 30s.

Partly cloudy. Lows around 20. Highs in the lower 30s.

Partly cloudy. Lows around 20. Highs in the lower 30s.

Partly cloudy. Lows around 20. Highs in the lower 30s.

Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. Low temperature around 32F. Dew point will be around 28F with an average humidity of 84%. Winds will be 6 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 43F. Dew point will be around 36F with an average humidity of 87%. Winds will be 4 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 32F. Dew point will be around 33F with an average humidity of 89%. Winds will be 2 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 40F. Dew point will be around 33F with an average humidity of 84%. Winds will be 3 mph from the NW.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 28F. Dew point will be around 28F with an average humidity of 85%. Winds will be 2 mph from the N.