10-Day Weather Forecast - Harristown, IL
- 92|76°F30% Chance of RainHourly details
Today
92°FMostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 92F. Dew point will be around 75F with an average humidity of 72%. Winds will be 8 mph from the SW.
Tonight
76°FPartly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent.
- 90|75°FMostly SunnyHourly details
Day
90°FMostly sunny with a slight chance of showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 104.
Night
75°FMostly cloudy in the evening then becoming partly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 30 percent.
Weekend Weather
- 89|73°F50% Chance of StormsHourly details
Day
89°FMostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 100.
Night
73°FPartly cloudy in the evening then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows around 70. South winds 5 to 10 mph. Chance of rain 50 percent.
- 87|71°F50% Chance of StormsHourly details
Day
87°FPartly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
Night
71°FPartly cloudy. A chance of showers in the evening. Lows in the upper 60s. Chance of rain 40 percent.
- 86|71°FMostly SunnyHourly details
Day
86°FMostly sunny. Highs in the mid 80s.
Night
71°FMostly clear in the evening then becoming partly cloudy. Lows in the mid 60s.
- 85|70°FPartly CloudyHourly details
Day
85°FPartly cloudy. Highs in the mid 80s. Lows in the upper 60s.
Night
70°FPartly cloudy. Highs in the mid 80s. Lows in the upper 60s.
- 84|68°F30% Chance Rain Showers
Day
84°FMostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
Night
68°FMostly clear. Lows in the upper 60s.
- 81|67°F30% Chance Rain Showers
Day
81°FMostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
Night
67°FMostly clear with a 40% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 66F with an average humidity of 83%. Winds will be 2 mph from the E.
- 81|68°F40% Chance of Storms
Day
81°FMostly sunny with a 45% chance for rain and thunderstorms. High temperature around 81F. Dew point will be around 67F with an average humidity of 76%. Winds will be 2 mph from the E.
Night
68°FMostly clear with a 45% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 67F with an average humidity of 85%. Winds will be 2 mph from the E.













