10-Day Weather Forecast - Keystone, IA

Patchy fog after midnight. Mostly sunny. Hot with highs in the lower 90s. Light and variable winds.

Mostly clear. Humid with lows in the upper 60s. Light and variable winds.

Sunny hot with highs in the lower 90s. Light and variable winds.

Mostly clear. Humid with lows around 70. East winds around 5 mph in the evening becoming light and variable.

Sunny hot with highs in the lower 90s. Light and variable winds becoming south around 5 mph in the afternoon.

Mostly clear. Lows in the lower 70s.

Sunny with a chance of showers and thunderstorms. Hot with highs in the lower 90s. Chance of rain 40 percent.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Sunny. Highs in the upper 80s.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 65F. Dew point will be around 65F with an average humidity of 76%. Winds will be 1 mph from the S.

Sunny. High temperature around 82F. Dew point will be around 64F with an average humidity of 66%. Winds will be 1 mph from the E.

Partly cloudy. Low temperature around 64F. Dew point will be around 64F with an average humidity of 77%. Winds will be 3 mph from the E.

Partly cloudy. High temperature around 82F. Dew point will be around 63F with an average humidity of 67%. Winds will be 2 mph from the SE.

Partly cloudy. Low temperature around 65F. Dew point will be around 64F with an average humidity of 79%. Winds will be 2 mph from the SE.