10-Day Weather Forecast - Flat Rock, IL
- |55°F40% Chance of StormsHourly details
Tonight
55°FMostly cloudy with a slight chance of thunderstorms. A slight chance of showers late this evening then a chance of showers. Lows in the mid 50s. Temperature rising into the lower 60s. East winds around 10 mph becoming southeast with gusts up to 25 mph. Chance of rain 40 percent.
- 77|66°F50% Chance of StormsHourly details
Day
77°FMostly cloudy. A chance of showers and thunderstorms in the afternoon. Breezy and not as cool with highs in the upper 70s. South winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 50 percent.
Night
66°FA chance of thunderstorms in the evening. Showers likely. Breezy with lows in the lower 60s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent.
- 76|67°F70% Chance of StormsHourly details
Day
76°FA chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Night
67°FA chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the lower 60s. South winds 10 to 15 mph. Chance of rain 70 percent.
Weekend Weather
- 66|42°FThunderstormsHourly details
Day
66°FShowers with a chance of thunderstorms. Cooler with highs in the upper 60s. Temperature falling into the lower 60s in the afternoon. Chance of rain 90 percent.
Night
42°FMostly cloudy in the evening then becoming partly cloudy. Much cooler with lows in the upper 30s.
- 54|39°FMostly SunnyHourly details
Day
54°FMostly clear. Highs in the mid 50s. Lows in the mid 30s.
Night
39°FMostly clear. Highs in the mid 50s. Lows in the mid 30s.
- 62|41°FSunnyHourly details
Day
62°FSunny. Highs in the lower 60s.
Night
41°FPartly cloudy. Lows in the mid 30s. Highs in the mid 50s.
- 54|42°FPartly CloudyHourly details
Day
54°FPartly cloudy. Lows in the mid 30s. Highs in the mid 50s.
Night
42°FPartly cloudy. Lows in the mid 30s. Highs in the mid 50s.
- 64|52°FMostly Sunny
Day
64°FMostly sunny. Highs in the lower 60s.
Night
52°FPartly cloudy. Low temperature around 52F. Dew point will be around 44F with an average humidity of 66%. Winds will be 8 mph from the S.
- 64|49°FMostly Sunny
Day
64°FMostly sunny. High temperature around 64F. Dew point will be around 48F with an average humidity of 67%. Winds will be 11 mph from the SW.
Night
49°FPartly cloudy. Low temperature around 49F. Dew point will be around 47F with an average humidity of 72%. Winds will be 4 mph from the SW.
- 58|48°F30% Chance of Rain
Day
58°FPartly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 43F with an average humidity of 67%. Winds will be 2 mph from the SW.
Night
48°FPartly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 43F with an average humidity of 68%. Winds will be 1 mph from the S.













