10-Day Weather Forecast - Castleton, IL
- 91|76°FSunnyHourly details
Today
91°FSunny. Highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 102.
Tonight
76°FMostly clear. Humid with lows in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
- 92|78°FSunnyHourly details
Day
92°FSunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 103.
Night
78°FMostly clear in the evening then partly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
- 89|75°F60% Chance of StormsHourly details
Day
89°FMostly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 60 percent. Heat index values up to 100.
Night
75°FPartly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
Weekend Weather
- 90|72°F70% Chance of StormsHourly details
Day
90°FMostly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.
Night
72°FA chance of thunderstorms. Showers likely mainly in the evening. Lows in the lower 70s. Chance of rain 70 percent.
- 86|71°F50% Chance of StormsHourly details
Day
86°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. Lows in the upper 60s.
- 83|69°F30% Chance of StormsHourly details
Day
83°FMostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
Night
69°FPartly cloudy. Lows in the upper 60s.
- 86|70°FPartly Sunny
Day
86°FPartly sunny. Highs in the upper 80s.
Night
70°FPartly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 67F with an average humidity of 77%. Winds will be 2 mph from the N.
- 83|67°F40% Chance of Rain
Day
83°FMostly sunny with a 35% chance for rain and thunderstorms. High temperature around 83F. Dew point will be around 67F with an average humidity of 68%. Winds will be 2 mph from the N.
Night
67°FMostly clear with a 35% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 65F with an average humidity of 78%. Winds will be 2 mph from the NE.
- 81|66°F30% Chance of Rain
Day
81°FMostly sunny with a 30% chance for rain and thunderstorms. High temperature around 81F. Dew point will be around 65F with an average humidity of 69%. Winds will be 2 mph from the NE.
Night
66°FMostly clear with a 30% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 63F with an average humidity of 76%. Winds will be 2 mph from the NE.
- 80|66°F40% Chance of Rain
Day
80°FSunny with a 40% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 65F with an average humidity of 71%. Winds will be 3 mph from the NE.
Night
66°FClear with a 40% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 65F with an average humidity of 79%. Winds will be 2 mph from the NE.













