10-Day Weather Forecast - Copan, OK

Sunny. Highs around 90. Northeast winds around 5 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 60s. East winds around 5 mph.

Sunny. Highs in the lower 90s. East winds around 5 mph.

Mostly clear. Lows in the upper 60s. Southeast winds around 5 mph.

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

Mostly clear. Lows in the upper 70s.

Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

Mostly clear with a slight chance of showers and thunderstorms in the evening then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 70s. Chance of rain 30 percent.

Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.

Partly cloudy. A slight chance of showers and thunderstorms in the evening then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 30 percent.

Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.

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

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

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 73F. Dew point will be around 73F with an average humidity of 78%. Winds will be 3 mph from the S.

Sunny. High temperature around 91F. Dew point will be around 72F with an average humidity of 72%. Winds will be 2 mph from the SW.

Clear. Low temperature around 72F. Dew point will be around 73F with an average humidity of 76%. Winds will be 2 mph from the S.

Sunny. High temperature around 91F. Dew point will be around 71F with an average humidity of 71%. Winds will be 2 mph from the SE.

Clear. Low temperature around 72F. Dew point will be around 71F with an average humidity of 71%. Winds will be 2 mph from the SE.