10-Day Weather Forecast - Lake Saint Louis, MO

Sunny. Not as cool with highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 1 below in the morning.

Mostly clear. Not as cool with lows in the upper 20s. Southwest winds around 5 mph.

Sunny. Highs around 50. South winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s.

Mostly sunny. Highs in the lower 50s.

Mostly cloudy. A slight chance of rain and thunderstorms after midnight. Lows in the mid 40s. Temperature rising into the lower 50s after midnight. Chance of rain 20 percent.

Mostly cloudy with a chance of rain in the morning then mostly sunny with a slight chance of rain in the afternoon. Highs in the upper 50s. Temperature falling into the upper 40s in the afternoon. Chance of rain 50 percent.

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

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

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the mid 30s. Temperature rising into the upper 30s after midnight.

Partly sunny. A slight chance of rain in the afternoon. Not as cool with highs in the mid 50s. Chance of rain 20 percent.

Partly cloudy. Low temperature around 30F. Dew point will be around 33F with an average humidity of 74%. Winds will be 7 mph from the N.

Mostly sunny. High temperature around 40F. Dew point will be around 26F with an average humidity of 68%. Winds will be 8 mph from the NE.

Mostly clear. Low temperature around 31F. Dew point will be around 27F with an average humidity of 77%. Winds will be 5 mph from the E.

Partly cloudy. High temperature around 46F. Dew point will be around 35F with an average humidity of 78%. Winds will be 9 mph from the SE.

Cloudy. Low temperature around 43F. Dew point will be around 40F with an average humidity of 84%. Winds will be 4 mph from the S.

Mostly cloudy. High temperature around 53F. Dew point will be around 44F with an average humidity of 79%. Winds will be 1 mph from the S.

Partly cloudy. Low temperature around 41F. Dew point will be around 39F with an average humidity of 79%. Winds will be 2 mph from the NE.