10-Day Weather Forecast - Decatur, IL
- 38|16°FChance of FlurriesHourly details
Today
38°FCloudy with a chance of flurries late this morning then partly sunny this afternoon. Brisk and much cooler with highs in the mid 30s. Temperature falling into the mid 20s this afternoon. North winds 20 to 25 mph with gusts up to 35 mph.
Tonight
16°FMostly clear. Much cooler with lows around 15. Northwest winds 15 to 20 mph.
- 28|25°FSunnyHourly details
Day
28°FSunny. Highs in the upper 20s. Northwest winds around 10 mph becoming west in the afternoon.
Night
25°FSnow likely. Light snow accumulation possible. Lows in the lower 20s. Temperature rising to around 30 after midnight. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 60 percent.
- 39|22°FPartly SunnyHourly details
Day
39°FPartly sunny in the morning then becoming mostly cloudy. Not as cool with highs in the upper 30s. West winds 15 to 20 mph with gusts up to 30 mph.
Night
22°FMostly cloudy. A chance of snow showers in the evening. Lows 10 to 15. Chance of snow 30 percent.
Weekend Weather
- 21|10°FPartly SunnyHourly details
Day
21°FPartly sunny. Much cooler with highs around 20. Wind chill values as low as zero.
Night
10°FPartly cloudy. Lows 5 to 10 above. Wind chill values as low as 10 below after midnight.
- 23|13°FMostly CloudyHourly details
Day
23°FMostly cloudy. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as 10 below.
Night
13°FMostly cloudy. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as 10 below.
- 13|3°FMostly CloudyHourly details
Day
13°FMostly cloudy. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as 10 below.
Night
3°FPartly cloudy in the evening then becoming mostly clear. Lows 5 to 10 above. Wind chill values as low as 5 below.
- 25|18°FMostly Sunny
Day
25°FMostly sunny. Highs in the mid 20s. Wind chill values as low as 5 below in the morning.
Night
18°FPartly cloudy. Low temperature around 18F. Dew point will be around 13F with an average humidity of 59%. Winds will be 9 mph from the SW.
- 31|20°FPartly Cloudy
Day
31°FPartly cloudy. High temperature around 31F. Dew point will be around 12F with an average humidity of 55%. Winds will be 7 mph from the SW.
Night
20°FClear. Low temperature around 20F. Dew point will be around 15F with an average humidity of 68%. Winds will be 4 mph from the SW.
- 32|27°FPartly Cloudy
Day
32°FPartly cloudy. High temperature around 32F. Dew point will be around 16F with an average humidity of 61%. Winds will be 5 mph from the SW.
Night
27°FMostly cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 27F. Dew point will be around 22F with an average humidity of 74%. Winds will be 5 mph from the S.
- 34|25°F30% Chance Frozen Mix
Day
34°FCloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 34F. Dew point will be around 23F with an average humidity of 69%. Winds will be 2 mph from the SW.
Night
25°FCloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 25F. Dew point will be around 23F with an average humidity of 79%. Winds will be 2 mph from the N.
