10-Day Weather Forecast - Spring Valley, IL

Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. North winds around 5 mph in the morning becoming light and variable.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 60s. Light and variable winds becoming southwest around 5 mph after midnight.

Mostly sunny. Humid with highs in the lower 80s. West winds 5 to 10 mph.

Mostly clear. Lows in the lower 50s. Highs in the lower 70s.

Mostly clear. Lows in the lower 50s. Highs in the lower 70s.

Mostly clear. Lows in the lower 50s. Highs in the lower 70s.

Mostly clear. Lows in the lower 50s. Highs in the lower 70s.

Mostly clear. Lows in the upper 40s. Highs in the mid 70s.

Mostly clear. Lows in the upper 40s. Highs in the mid 70s.

Mostly clear. Lows in the upper 40s. Highs in the mid 70s.

Mostly clear. Lows in the upper 40s. Highs in the mid 70s.

Mostly clear. Low temperature around 53F. Dew point will be around 49F with an average humidity of 74%. Winds will be 2 mph from the S.

Sunny. High temperature around 74F. Dew point will be around 51F with an average humidity of 59%. Winds will be 5 mph from the SW.

Clear. Low temperature around 55F. Dew point will be around 52F with an average humidity of 72%. Winds will be 4 mph from the S.

Sunny. High temperature around 74F. Dew point will be around 53F with an average humidity of 63%. Winds will be 4 mph from the S.

Clear. Low temperature around 57F. Dew point will be around 53F with an average humidity of 74%. Winds will be 3 mph from the SE.

Sunny. High temperature around 75F. Dew point will be around 55F with an average humidity of 64%. Winds will be 4 mph from the S.

Mostly clear. Low temperature around 58F. Dew point will be around 56F with an average humidity of 77%. Winds will be 3 mph from the SE.