10-Day Weather Forecast - Copan, OK

Sunny, hot with highs around 100. South winds 5 to 10 mph. Heat index values up to 108.

Clear. Lows in the mid 70s. South winds 5 to 10 mph.

Sunny, hot with highs around 101. South winds around 5 mph. Heat index values up to 109.

Mostly clear. Lows in the mid 70s. Southeast winds around 5 mph in the evening, becoming light and variable.

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

Mostly clear. Lows in the mid 70s.

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

Mostly clear. Lows in the mid 70s.

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

Mostly clear. Lows in the upper 70s.

Sunny, hot with highs around 100. Heat index values up to 105.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs around 100.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 77F. Dew point will be around 65F with an average humidity of 52%. Winds will be 5 mph from the S.

Sunny. High temperature around 96F. Dew point will be around 66F with an average humidity of 52%. Winds will be 7 mph from the SW.

Clear. Low temperature around 76F. Dew point will be around 64F with an average humidity of 53%. Winds will be 7 mph from the S.

Sunny. High temperature around 95F. Dew point will be around 67F with an average humidity of 54%. Winds will be 9 mph from the S.

Clear with a 25% chance for rain and thunderstorms. Low temperature around 73F. Dew point will be around 65F with an average humidity of 58%. Winds will be 4 mph from the S.