10-Day Weather Forecast - Potomac, IL

Mostly cloudy in the morning then becoming partly sunny. A chance of flurries. Brisk and much cooler with highs in the mid 30s. Temperature falling into the mid 20s in the afternoon. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Partly cloudy in the evening then clearing. Much cooler with lows around 15. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Sunny. Highs in the mid 20s. Northwest winds 5 to 10 mph becoming west in the afternoon.

Mostly cloudy. A chance of snow in the evening then snow likely after midnight. Light snow accumulation possible. Lows around 20. Temperature rising into the upper 20s after midnight. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 70 percent.

Mostly cloudy. Highs in the upper 30s. Lows 10 to 15.

Mostly cloudy. Highs in the upper 30s. Lows 10 to 15.

Mostly cloudy. Highs around 20. Lows 5 to 10 above. Wind chill values as low as 10 below.

Mostly cloudy. Highs around 20. Lows 5 to 10 above. Wind chill values as low as 10 below.

Mostly cloudy. Highs around 20. Lows 5 to 10 above. Wind chill values as low as 10 below.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 10 above. Wind chill values as low as 5 below.

Partly sunny. Highs in the lower 20s. Wind chill values as low as 5 below in the morning.

Partly cloudy. Lows zero to 5 above zero. Highs around 20. Wind chill values as low as 10 below.

Partly cloudy. Lows zero to 5 above zero. Highs around 20. Wind chill values as low as 10 below.

Mostly clear. Low temperature around 18F. Dew point will be around 12F with an average humidity of 75%. Winds will be 7 mph from the S.

Cloudy. High temperature around 30F. Dew point will be around 19F with an average humidity of 73%. Winds will be 8 mph from the S.

Partly cloudy. Low temperature around 24F. Dew point will be around 22F with an average humidity of 86%. Winds will be 3 mph from the S.

Cloudy with a slight chance of snow. Chance of precipitation 30%. High temperature around 32F. Dew point will be around 25F with an average humidity of 82%. Winds will be 3 mph from the SE.

Cloudy with a chance of snow. Chance of precipitation 45%. Low temperature around 30F. Dew point will be around 28F with an average humidity of 90%. Winds will be 4 mph from the SE.