10-Day Weather Forecast - Herculaneum, MO

Sunny cooler with highs in the lower 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 4 below.

Mostly clear. Lows around 12. West winds around 5 mph becoming southwest after midnight.

Sunny. Not as cool with highs in the upper 30s. Southwest winds 5 to 10 mph.

Mostly clear in the evening then becoming mostly cloudy. Not as cool with lows in the upper 20s. Temperature rising into the mid 30s after midnight. South winds 5 to 10 mph with gusts up to 25 mph.

Partly cloudy. Highs in the upper 40s. Lows in the lower 20s.

Partly cloudy. Highs in the upper 40s. Lows in the lower 20s.

Sunny cooler with highs in the upper 30s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s.

Partly sunny in the morning then becoming mostly cloudy. Highs in the lower 40s.

A chance of rain in the evening. Mostly cloudy with a chance of snow. Lows 15 to 20. Chance of precipitation 30 percent.

Mostly cloudy with a 30 percent chance of snow. Highs in the upper 20s. Lows 5 to 10 above. Wind chill values as low as 5 below.

Mostly cloudy with a 30 percent chance of snow. Highs in the upper 20s. Lows 5 to 10 above. Wind chill values as low as 5 below.

Mostly sunny. A slight chance of snow in the morning. Highs in the lower 20s. Chance of snow 20 percent. Wind chill values as low as 5 below in the morning.

Clear. Low temperature around 7F. Dew point will be around 2F with an average humidity of 70%. Winds will be 1 mph from the NE.

Sunny. High temperature around 23F. Dew point will be around 8F with an average humidity of 65%. Winds will be 1 mph from the N.

Clear. Low temperature around 11F. Dew point will be around 7F with an average humidity of 73%. Winds will be 1 mph from the E.

Mostly cloudy. High temperature around 27F. Dew point will be around 13F with an average humidity of 69%. Winds will be 1 mph from the E.

Mostly cloudy. Low temperature around 14F. Dew point will be around 12F with an average humidity of 76%. Winds will be 2 mph from the W.