10 Day Weather - Decatur, IL
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Night50% Chance of Snow31°Night DetailsCloudy with a chance of rain. A slight chance of snow. Lows in the mid 20s. Southwest winds 10 to 15 mph becoming west. Chance of precipitation 50 percent.
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SaturdayPartly Sunny29°NightMostly Cloudy14°Day DetailsMostly cloudy in the morning then becoming partly sunny. Cooler with highs in the upper 20s. Temperature falling into the mid 20s in the afternoon. North winds 15 to 20 mph with gusts up to 30 mph.Night DetailsMostly cloudy. Much cooler with lows around 9 above. North winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 7 below after midnight.
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SundayMostly Sunny14°NightMostly Clear1°Day DetailsMostly sunny and much cooler. Near steady temperature around 11. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 11 below.Night DetailsMostly clear. Colder with lows around 1 below. Northwest winds 10 to 15 mph. Wind chill values as low as 15 below.
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MondaySunny16°NightPartly Cloudy2°Day DetailsSunny. Highs around 15. Wind chill values as low as 15 below in the morning.Night DetailsPartly cloudy. Cold with lows around zero. Wind chill values as low as 10 below after midnight.
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TuesdayMostly Sunny11°NightMostly Clear7°Day DetailsMostly clear. Highs around 10 above. Lows around zero. Wind chill values as low as 15 below.Night DetailsMostly clear. Highs around 10 above. Lows around zero. Wind chill values as low as 15 below.
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WednesdayMostly Sunny28°NightMostly Cloudy24°Day DetailsMostly sunny. Not as cool with highs in the upper 20s. Wind chill values as low as 10 below in the morning.Night DetailsMostly cloudy. Lows 15 to 20. Highs in the lower 30s.
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ThursdayMostly Cloudy32°NightMostly Cloudy19°Day DetailsMostly cloudy. Lows 15 to 20. Highs in the lower 30s.Night DetailsMostly cloudy. Lows 15 to 20. Highs in the lower 30s.
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FridayMostly Sunny28°NightClear21°Friday 1/24Day28°Mostly SunnyNight21°ClearDay DetailsMostly sunny. Highs around 30.Night DetailsClear. Low temperature around 21F. Dew point will be around 15F with an average humidity of 72%. Winds will be 4 mph from the SW.
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SaturdaySunny34°NightMostly Clear24°Saturday 1/25Day34°SunnyNight24°Mostly ClearDay DetailsSunny. High temperature around 34F. Dew point will be around 19F with an average humidity of 64%. Winds will be 7 mph from the S.Night DetailsMostly clear. Low temperature around 24F. Dew point will be around 21F with an average humidity of 78%. Winds will be 4 mph from the S.
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SundayPartly Cloudy35°Night30% Chance of Snow29°Sunday 1/26Day35°Partly CloudyNight29°30% Chance of SnowDay DetailsPartly cloudy. High temperature around 35F. Dew point will be around 24F with an average humidity of 74%. Winds will be 6 mph from the SE.Night DetailsCloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 29F. Dew point will be around 26F with an average humidity of 84%. Winds will be 6 mph from the S.
