10-Day Weather Forecast - Jerseyville, IL

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

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

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Light and variable winds becoming south around 5 mph in the afternoon. Chance of rain 50 percent.

Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. South winds around 5 mph in the evening becoming light and variable. Chance of rain 20 percent.

Mostly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 70 percent.

Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent.

Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 100.

Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 100.

Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 100.

Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 100.

Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 100.

Partly cloudy in the evening then mostly clear with a slight chance of showers after midnight. Lows in the lower 70s. Chance of rain 20 percent.

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.

Clear. Low temperature around 66F. Dew point will be around 64F with an average humidity of 79%. Winds will be 1 mph from the N.

Sunny. High temperature around 82F. Dew point will be around 64F with an average humidity of 67%. Winds will be 1 mph from the NW.

Mostly clear. Low temperature around 66F. Dew point will be around 65F with an average humidity of 77%. Winds will be 1 mph from the SW.

Partly cloudy. High temperature around 82F. Dew point will be around 64F with an average humidity of 68%. Winds will be 1 mph from the NW.

Mostly clear. Low temperature around 66F. Dew point will be around 64F with an average humidity of 78%. Winds will be 1 mph from the SE.