10-Day Weather Forecast - Saint Mary, MO

Mostly sunny. Highs in the mid 80s. West winds around 5 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 60s. East winds around 5 mph.

Showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the mid 80s. South winds 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Chance of rain 80 percent.

Showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. Southwest winds 10 to 15 mph becoming west 5 to 10 mph after midnight. Chance of rain 90 percent.

Mostly cloudy with a slight chance of showers and thunderstorms in the morning then partly sunny in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.

Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s.

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

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s.

Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

Partly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent.

Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 71F with an average humidity of 87%. Winds will be 3 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 84F. Dew point will be around 71F with an average humidity of 78%. Winds will be 6 mph from the SW.

Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 74F. Dew point will be around 71F with an average humidity of 79%. Winds will be 5 mph from the SW.

Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 86F. Dew point will be around 72F with an average humidity of 73%. Winds will be 8 mph from the SW.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 74F. Dew point will be around 71F with an average humidity of 79%. Winds will be 5 mph from the S.