Lake Norman Heat Index of the last 24 hours The current Heat Index is 86.6°F as of 2:26pm 09/25/17. Today's high Heat Index 88.0°F at 1:45pm This month's high Heat Index 95.0°F This year's high Heat Index 106.0°F Heat Index graph of the last 24 hours. This graph is updated on the hour. Today  |  1 Week  |  Month  |  3 Months  |  Year
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