10-Day Weather Forecast - Decatur, IL
- 23|7°FChance of FlurriesHourly details
Today
23°FCloudy with a chance of flurries. Near steady temperature in the lower 20s. Southwest winds around 15 mph with gusts up to 25 mph.
Tonight
7°FMostly cloudy. A chance of flurries in the evening. Blustery cold with lows around 4 above. West winds 15 to 20 mph with gusts up to 30 mph becoming northwest 20 to 25 mph with gusts up to 40 mph after midnight. Wind chill values as low as 14 below after midnight.
- 12|8°FMostly SunnyHourly details
Day
12°FMostly sunny and brisk cooler with highs around 14. Northwest winds 15 to 25 mph with gusts up to 35 mph. Wind chill values as low as 18 below.
Night
8°FPartly cloudy. Near steady temperature around 8 above. West winds 5 to 10 mph. Wind chill values as low as 7 below.
- 29|23°FMostly SunnyHourly details
Day
29°FMostly sunny. Not as cool with highs in the upper 20s. Southwest winds 5 to 10 mph. Wind chill values as low as 3 below in the morning.
Night
23°FMostly cloudy. Not as cool with lows in the lower 20s. Temperature rising to around 30 after midnight.
- 38|20°FPartly CloudyHourly details
Day
38°FPartly cloudy. Highs in the upper 30s. Lows 15 to 20.
Night
20°FPartly cloudy. Highs in the upper 30s. Lows 15 to 20.
- 28|21°FPartly CloudyHourly details
Day
28°FPartly cloudy. Highs in the upper 20s. Lows 15 to 20.
Night
21°FPartly cloudy. Highs in the upper 20s. Lows 15 to 20.
- 35|17°FPartly SunnyHourly details
Day
35°FPartly sunny in the morning then becoming mostly cloudy. Highs in the upper 20s.
Night
17°FMostly cloudy with a 30 percent chance of snow. Lows around 10 above. Highs around 20. Wind chill values as low as 5 below.
Weekend Weather
- 15|-1°F30% Chance of Snow
Day
15°FMostly cloudy with a 30 percent chance of snow. Lows around 10 above. Highs around 20. Wind chill values as low as 5 below.
Night
-1°FMostly clear with a chance of snow. Chance of precipitation 35%. Low temperature around -1F. Dew point will be around -2F with an average humidity of 72%. Winds will be 13 mph from the N.
- 9|1°FSunny
Day
9°FSunny. High temperature around 9F. Dew point will be around -3F with an average humidity of 67%. Winds will be 7 mph from the NW.
Night
1°FClear. Low temperature around 1F. Dew point will be around -2F with an average humidity of 75%. Winds will be 5 mph from the NW.
- 13|7°FSunny
Day
13°FSunny. High temperature around 13F. Dew point will be around 0F with an average humidity of 65%. Winds will be 7 mph from the W.
Night
7°FClear. Low temperature around 7F. Dew point will be around 5F with an average humidity of 78%. Winds will be 5 mph from the W.
- 18|7°FSunny
Day
18°FSunny. High temperature around 18F. Dew point will be around 6F with an average humidity of 68%. Winds will be 8 mph from the W.
Night
7°FClear. Low temperature around 7F. Dew point will be around 6F with an average humidity of 77%. Winds will be 5 mph from the W.














