10-Day Weather Forecast - Brentwood, IL

Mostly cloudy. Highs in the mid 40s. West winds around 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s. Northwest winds 5 to 10 mph becoming northeast after midnight.

Mostly cloudy. Scattered rain showers with areas of drizzle late. Highs around 40. Southeast winds 5 to 10 mph. Chance of precipitation 40 percent.

Cloudy. Patchy fog. Intermittent drizzle and numerous rain showers in the evening. Patchy drizzle after midnight. Near steady temperature in the upper 30s. South winds around 5 mph becoming north after midnight. Chance of precipitation 70 percent.

Cloudy. Near steady temperature in the upper 30s. Northeast winds 5 to 10 mph.

Cloudy. A chance of rain in the evening then rain likely after midnight. Near steady temperature in the upper 30s. Chance of precipitation 70 percent.

Mostly cloudy. A chance of rain in the morning. Highs in the mid 40s. Chance of precipitation 30 percent.

Mostly cloudy. Lows in the upper 30s.

Cloudy. Highs in the upper 40s.

Mostly cloudy. Lows in the lower 20s.

Partly cloudy and blustery. Highs in the upper 20s.

Partly cloudy and blustery. Lows around 10 above. Wind chill values as low as 10 below.

Partly cloudy in the morning then clearing. Highs in the lower 20s. Wind chill values as low as 10 below in the morning.

Clear. Low temperature around 15F. Dew point will be around 0F with an average humidity of 47%. Winds will be 7 mph from the NW.

Sunny. High temperature around 30F. Dew point will be around 5F with an average humidity of 41%. Winds will be 7 mph from the W.

Clear. Low temperature around 26F. Dew point will be around 13F with an average humidity of 56%. Winds will be 6 mph from the W.

Mostly sunny. High temperature around 37F. Dew point will be around 21F with an average humidity of 59%. Winds will be 8 mph from the SW.

Mostly clear. Low temperature around 30F. Dew point will be around 24F with an average humidity of 73%. Winds will be 6 mph from the SW.

Sunny. High temperature around 39F. Dew point will be around 25F with an average humidity of 66%. Winds will be 4 mph from the W.

Mostly clear. Low temperature around 33F. Dew point will be around 27F with an average humidity of 75%. Winds will be 3 mph from the S.