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Current Weather Conditions for Grand Detour, IL

Mostly clear, with a low around 74. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

81°F

Conditions

Wind: 5 mph S
Humidity: 83%
Probability of Precipitation: 3%

Hourly Forcast (next 12 hours)

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Upcoming Week

Day	Forecast	High	Low
Tonight	Mostly Clear Mostly clear, with a low around 74. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.	86°F	66°F
Thursday	Chance Showers And Thunderstorms A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 89. Heat index values as high as 103. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.	86°F	66°F
Thursday Night	Chance Showers And Thunderstorms A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Heat index values as high as 96. West northwest wind 0 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.	86°F	66°F
Friday	Showers And Thunderstorms Likely Showers and thunderstorms likely. Mostly cloudy, with a high near 85. East wind 0 to 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.	86°F	66°F
Friday Night	Showers And Thunderstorms Likely then Chance Showers And Thunderstorms Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 60%.	86°F	66°F
Saturday	Showers And Thunderstorms Likely Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 60%.	86°F	66°F
Saturday Night	Chance Showers And Thunderstorms then Partly Cloudy A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69.	86°F	66°F
Sunday	Mostly Sunny Mostly sunny, with a high near 91.	86°F	66°F
Sunday Night	Mostly Clear Mostly clear, with a low around 72.	86°F	66°F
Monday	Sunny Sunny, with a high near 92.	86°F	66°F
Monday Night	Mostly Clear Mostly clear, with a low around 73.	86°F	66°F
Tuesday	Mostly Sunny then Slight Chance Showers And Thunderstorms A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.	86°F	66°F
Tuesday Night	Slight Chance Showers And Thunderstorms A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.	86°F	66°F
Wednesday	Slight Chance Showers And Thunderstorms A slight chance of showers and thunderstorms. Partly sunny, with a high near 82.	86°F	66°F
Data provided by weather.gov