10-Day Weather Forecast - Festus, MO

Sunny. Highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 106 this afternoon.

Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 103 early in the evening.

Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 110.

Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 107 early in the evening.

Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 110.

Partly cloudy. Lows in the upper 70s. Heat index values up to 110 early in the evening.

Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 105.

Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 105.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 105.

Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 105.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 105.

Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 105.

Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 69F with an average humidity of 82%. Winds will be 2 mph from the SE.

Partly cloudy with a 35% 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 NE.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 69F with an average humidity of 83%. Winds will be 2 mph from the E.

Mostly sunny with a 25% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 70F with an average humidity of 72%. Winds will be 2 mph from the E.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 71F. Dew point will be around 67F with an average humidity of 73%. Winds will be 2 mph from the SE.