10-Day Weather Forecast - Potomac, IL

A slight chance of thunderstorms in the morning. Showers breezy with highs in the upper 40s. Temperature falling to around 40 in the afternoon. South winds 20 to 25 mph becoming southwest in the afternoon. Gusts up to 45 mph. Chance of rain near 100 percent.

Mostly cloudy. A chance of snow in the evening. Snow accumulation up to 1 inch possible. Brisk and much cooler with lows around 16. West winds 15 to 25 mph with gusts up to 35 mph. Chance of snow 50 percent. Wind chill values as low as 1 below.

Mostly sunny. Much cooler with highs in the upper 20s. West winds 15 to 20 mph with gusts up to 30 mph diminishing to 5 to 10 mph in the afternoon. Wind chill values as low as 2 below in the morning.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s. Temperature rising to around 30 after midnight. South winds 5 to 10 mph increasing to 15 to 20 mph after midnight.

Mostly cloudy. Not as cool with highs in the mid 40s.

Partly cloudy in the evening then clearing. Lows in the lower 20s.

Sunny cooler with highs in the mid 30s.

Mostly cloudy. Lows in the lower 20s. Highs in the lower 40s.

Mostly cloudy. Lows in the lower 20s. Highs in the lower 40s.

Mostly cloudy. Lows in the lower 30s. Highs in the upper 40s.

Mostly cloudy. Lows in the lower 30s. Highs in the upper 40s.

Mostly cloudy. Lows in the lower 30s. Highs in the upper 40s.

Mostly cloudy. Lows in the lower 30s. Highs in the upper 40s.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 48F with an average humidity of 92%. Winds will be 8 mph from the S.

Cloudy. High temperature around 55F. Dew point will be around 50F with an average humidity of 89%. Winds will be 8 mph from the SW.

Cloudy. Low temperature around 52F. Dew point will be around 52F with an average humidity of 93%. Winds will be 7 mph from the SW.

Cloudy. High temperature around 56F. Dew point will be around 50F with an average humidity of 84%. Winds will be 7 mph from the SW.

Cloudy. Low temperature around 41F. Dew point will be around 42F with an average humidity of 81%. Winds will be 3 mph from the NW.