Lake Norman Heat Index of the past Month The current Heat Index is 86.0°F as of 6:15pm 09/09/10. Today's high Heat Index 88.0°F at 5:02pm This month's high Heat Index 94.0°F This year's high Heat Index 113.0°F Heat Index graph of the Month. This graph is updated daily at 2am. Today  |  1 Week  |  Month  |  3 Months  |  Year
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