10-Day Weather Forecast - Owasso, OK

Mostly sunny. Highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 105.

Mostly clear in the evening then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent.

Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. South winds around 5 mph. Chance of rain 40 percent.

Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent.

Mostly sunny. Highs in the mid 90s.

Mostly clear. Lows in the mid 70s.

Sunny. Highs in the mid 90s. Heat index values up to 105.

Mostly clear. Lows in the mid 70s.

Sunny. Highs in the mid 90s. Heat index values up to 105.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 70s.

Mostly sunny. Highs in the mid 90s. Heat index values up to 105.

Mostly clear. Lows in the upper 70s.

Sunny. Highs in the mid 90s. Heat index values up to 105.

Clear. Low temperature around 80F. Dew point will be around 71F with an average humidity of 61%. Winds will be 6 mph from the S.

Sunny. High temperature around 95F. Dew point will be around 73F with an average humidity of 60%. Winds will be 7 mph from the S.

Clear. Low temperature around 78F. Dew point will be around 71F with an average humidity of 61%. Winds will be 6 mph from the S.

Sunny. High temperature around 96F. Dew point will be around 73F with an average humidity of 59%. Winds will be 5 mph from the S.

Clear. Low temperature around 77F. Dew point will be around 71F with an average humidity of 63%. Winds will be 3 mph from the S.