10-Day Weather Forecast - Jerseyville, IL

Patchy fog in the morning. Sunny. Highs in the mid 80s. Light and variable winds becoming northeast around 5 mph in the afternoon.

Mostly clear. Lows in the mid 60s. East winds around 5 mph.

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

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

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

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

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

Partly cloudy. Lows in the lower 70s.

Partly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 20 percent.

Mostly clear with a 40% chance for rain and thunderstorms. Low temperature around 69F. Dew point will be around 69F with an average humidity of 78%. Winds will be 3 mph from the N.

Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 82F. Dew point will be around 66F with an average humidity of 70%. Winds will be 5 mph from the N.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 64F. Dew point will be around 64F with an average humidity of 79%. Winds will be 5 mph from the N.

Sunny. High temperature around 79F. Dew point will be around 62F with an average humidity of 68%. Winds will be 5 mph from the NE.

Clear. Low temperature around 62F. Dew point will be around 62F with an average humidity of 79%. Winds will be 4 mph from the NE.

Sunny. High temperature around 81F. Dew point will be around 61F with an average humidity of 66%. Winds will be 3 mph from the NE.

Clear. Low temperature around 63F. Dew point will be around 62F with an average humidity of 77%. Winds will be 2 mph from the E.