Cornwall, IL 10-Day Weather Charts

24 Hour Forecast

Current Conditions - Clear. Temperature is 81°F27°C, dew point 75°F24°C, humidity 82%. Wind direction is E at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 29.92 in1013 mb.

Tonight - Partly cloudy this evening, then clearing. Lows in the lower 70s. Southwest winds around 5 mph. Heat index values up to 104 early .. Full Forecast

Saturday - Sunny, hot with highs in the lower 90s. Northwest winds around 5 mph, becoming north in the afternoon... Full Forecast

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10 Day High/Low Temp Chart

10 Day High/Low Temp Chart

10 Day POP Chart

10 Day Dew Point Chart

10 Day Dew Point Chart

10 Day Humidity Chart

10 Day UV Index Chart

10 Day Barometric Pressure Chart

10 Day Barometric Pressure Chart