10-Day Weather Forecast - Potomac, IL

Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 104.

Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 20 percent.

Sunny with highs in the lower 90s. Northwest winds 5 to 10 mph. Heat index values up to 102.

Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. Northeast winds 5 to 10 mph.

Mostly clear. Highs in the mid 80s.

Mostly clear. Lows around 60.

Mostly clear. Highs in the mid 80s.

Partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the upper 80s.

Partly cloudy. Lows in the lower 70s.

Partly cloudy. Highs in the mid 90s.

Partly cloudy. A chance of showers. Lows in the lower 70s. Chance of rain 30 percent.

Partly cloudy. A chance of showers. Highs in the upper 80s. Chance of rain 30 percent.

Mostly clear. Low temperature around 68F. Dew point will be around 65F with an average humidity of 76%. Winds will be 1 mph from the NW.

Mostly sunny. High temperature around 82F. Dew point will be around 65F with an average humidity of 69%. Winds will be 1 mph from the NE.

Clear. Low temperature around 65F. Dew point will be around 64F with an average humidity of 82%. Winds will be 2 mph from the NE.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 83F. Dew point will be around 65F with an average humidity of 70%. Winds will be 3 mph from the S.

Clear. Low temperature around 65F. Dew point will be around 64F with an average humidity of 78%. Winds will be 2 mph from the S.