10-Day Weather Forecast - Altamont, IL

Sunny. Highs in the upper 70s. East winds around 5 mph becoming southwest in the afternoon.

Mostly clear. Not as cool with lows in the upper 50s. South winds 5 to 10 mph.

Mostly sunny. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy in the evening then clearing. Much cooler with lows in the upper 30s.

Sunny. Much cooler with highs in the mid 50s.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 30s.

Mostly cloudy. Highs in the upper 50s. Lows around 40.

Mostly cloudy. Highs in the upper 50s. Lows around 40.

Mostly cloudy. Highs in the upper 50s. Lows around 40.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s.

Sunny. Not as cool with highs in the lower 70s.

Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 42F. Dew point will be around 42F with an average humidity of 60%. Winds will be 9 mph from the NW.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 50F. Dew point will be around 31F with an average humidity of 54%. Winds will be 9 mph from the N.

Cloudy. Low temperature around 30F. Dew point will be around 27F with an average humidity of 67%. Winds will be 8 mph from the NE.

Cloudy. High temperature around 48F. Dew point will be around 28F with an average humidity of 58%. Winds will be 7 mph from the E.

Cloudy. Low temperature around 34F. Dew point will be around 31F with an average humidity of 73%. Winds will be 4 mph from the E.

Cloudy. High temperature around 55F. Dew point will be around 37F with an average humidity of 65%. Winds will be 4 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 78%. Winds will be 3 mph from the E.