10-Day Weather Forecast - Denison, TX

Sunny, hot with highs in the upper 90s. South winds around 5 mph, becoming southeast this afternoon. Heat index values up to 105.

Clear. Lows in the upper 70s. South winds around 5 mph.

Sunny, hot with highs around 100. Southeast winds around 5 mph. Heat index values up to 105.

Mostly clear. Lows in the upper 70s. South winds around 5 mph.

Sunny, hot with highs around 100. South winds 5 to 10 mph. Heat index values up to 106.

Mostly clear. Lows in the upper 70s.

Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon.

Clear. Lows in the upper 70s.

Sunny, hot with highs in the upper 90s. Heat index values up to 110 in the afternoon.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs in the upper 90s. Heat index values up to 105.

Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.

Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 105.

Clear. Low temperature around 78F. Dew point will be around 70F with an average humidity of 61%. Winds will be 9 mph from the S.

Sunny. High temperature around 94F. Dew point will be around 72F with an average humidity of 60%. Winds will be 9 mph from the S.

Clear. Low temperature around 76F. Dew point will be around 71F with an average humidity of 65%. Winds will be 10 mph from the S.

Sunny. High temperature around 92F. Dew point will be around 72F with an average humidity of 65%. Winds will be 10 mph from the S.

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 76F. Dew point will be around 72F with an average humidity of 69%. Winds will be 11 mph from the S.