10-Day Weather Forecast - Frederick, IL

Mostly sunny and breezy. Much cooler with highs in the lower 30s. Temperature falling into the upper 20s in the afternoon. North winds 15 to 25 mph with gusts up to 35 mph.

Mostly clear. Much cooler with lows around 14. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Highs in the lower 30s. Northwest winds around 5 mph becoming southwest in the afternoon.

Mostly cloudy with a 50 percent chance of snow showers. Not as cool with lows in the mid 20s. Temperature rising into the lower 30s after midnight.

Mostly cloudy. Highs in the upper 30s. Lows 15 to 20.

Mostly cloudy. Highs in the upper 30s. Lows 15 to 20.

Mostly cloudy. Highs in the mid 20s. Lows 5 to 10 above. Wind chill values as low as 10 below.

Mostly cloudy. Highs in the mid 20s. Lows 5 to 10 above. Wind chill values as low as 10 below.

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

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

Mostly sunny. Highs in the upper 20s. Wind chill values as low as 5 below in the morning.

Partly cloudy. Low temperature around 14F. Dew point will be around 6F with an average humidity of 62%. Winds will be 6 mph from the NW.

Sunny. High temperature around 29F. Dew point will be around 10F with an average humidity of 59%. Winds will be 2 mph from the S.

Mostly clear. Low temperature around 23F. Dew point will be around 14F with an average humidity of 64%. Winds will be 6 mph from the S.

Mostly sunny. High temperature around 35F. Dew point will be around 23F with an average humidity of 70%. Winds will be 5 mph from the S.

Partly cloudy. Low temperature around 27F. Dew point will be around 24F with an average humidity of 78%. Winds will be 2 mph from the SE.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 35F. Dew point will be around 26F with an average humidity of 77%. Winds will be 4 mph from the E.

Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. Low temperature around 31F. Dew point will be around 28F with an average humidity of 84%. Winds will be 3 mph from the E.