10-Day Weather Forecast - Decatur, IL
- |37°FPartly CloudyHourly details
Tonight
37°FClear this evening then becoming partly cloudy. Lows in the lower 30s. West winds around 10 mph becoming north after midnight. Gusts up to 25 mph.
Weekend Weather
- 55|25°FPartly SunnyHourly details
Day
55°FPartly sunny. Cooler with highs in the upper 50s. East winds 5 to 10 mph becoming southeast in the afternoon.
Night
25°FPartly cloudy. Lows in the mid 20s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
- 40|29°FPartly SunnyHourly details
Day
40°FPartly sunny in the morning then becoming mostly cloudy. Much cooler with highs around 40. Northeast winds 10 to 15 mph.
Night
29°FSnow likely. Light snow accumulation possible. Lows in the upper 20s. East winds 10 to 15 mph. Chance of snow 60 percent.
- 40|37°F30% Chance Frozen MixHourly details
Day
40°FMostly cloudy. A chance of rain and snow in the morning. Highs in the lower 40s. Chance of precipitation 30 percent.
Night
37°FCloudy. A chance of rain in the evening then rain likely after midnight. Near steady temperature in the mid 30s. Chance of rain 60 percent.
- 53|35°F80% Chance of RainHourly details
Day
53°FRain. Highs around 50. Chance of rain 80 percent.
Night
35°FCloudy. Rain likely in the evening then a chance of rain and thunderstorms after midnight. Lows around 40. Chance of rain 70 percent.
- 56|49°F60% Chance of RainHourly details
Day
56°FCloudy. A chance of rain in the morning then rain likely in the afternoon. Highs in the upper 50s. Chance of rain 60 percent.
Night
49°FRain likely. Lows in the mid 40s. Chance of rain 70 percent.
- 62|51°F70% Chance of RainHourly details
Day
62°FRain likely. Highs in the lower 60s. Chance of rain 70 percent.
Night
51°FMostly cloudy with a chance of rain. Lows in the upper 40s. Chance of rain 50 percent.
- 66|50°F60% Chance of Rain
Day
66°FCloudy. A chance of rain in the morning then rain likely in the afternoon. Highs in the mid 60s. Chance of rain 60 percent.
Night
50°FCloudy with probable rain. Chance of precipitation 65%. Low temperature around 50F. Dew point will be around 49F with an average humidity of 83%. Winds will be 4 mph from the SW.
Weekend Weather
- 63|48°F70% Chance of Rain
Day
63°FPartly cloudy with a 65% chance for rain and thunderstorms. High temperature around 63F. Dew point will be around 50F with an average humidity of 72%. Winds will be 5 mph from the SW.
Night
48°FMostly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 48F. Dew point will be around 46F with an average humidity of 82%. Winds will be 4 mph from the SE.
- 63|54°F60% Chance of Rain
Day
63°FCloudy with a chance of rain. Chance of precipitation 55%. High temperature around 63F. Dew point will be around 51F with an average humidity of 77%. Winds will be 9 mph from the S.
Night
54°FCloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 54F. Dew point will be around 51F with an average humidity of 83%. Winds will be 10 mph from the S.













