10-Day Weather Forecast - Saint Peters, MO

Partly sunny with scattered showers and thunderstorms. Highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 40 percent.

Showers thunderstorms. Lows in the mid 60s. South winds 5 to 10 mph becoming west with gusts up to 20 mph after midnight. Chance of rain 90 percent.

Mostly cloudy with isolated showers in the morning then mostly sunny in the afternoon. Less humid with highs in the mid 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Partly cloudy. Cooler with lows in the mid 50s. Northwest winds 10 to 15 mph diminishing to around 5 mph after midnight.

Mostly sunny. Highs in the upper 70s.

Mostly clear. Lows in the upper 50s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy in the evening then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of rain 40 percent.

Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

A chance of thunderstorms in the evening. Showers likely. Lows in the upper 60s. Chance of rain 70 percent.

Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.

Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 72F. Dew point will be around 67F with an average humidity of 74%. Winds will be 3 mph from the S.

Mostly cloudy with a 70% chance for rain and thunderstorms. High temperature around 84F. Dew point will be around 71F with an average humidity of 73%. Winds will be 3 mph from the S.

Partly cloudy with a 60% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 70F with an average humidity of 81%. Winds will be 2 mph from the SE.

Mostly cloudy with a 55% chance for rain and thunderstorms. High temperature around 83F. Dew point will be around 70F with an average humidity of 75%. Winds will be 2 mph from the E.

Mostly clear with a 55% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 68F with an average humidity of 80%. Winds will be 3 mph from the E.