Lake Norman Heat Index of the past Week The current Heat Index is 41.7°F as of 8:58pm 02/05/12. Today's high Heat Index 52.0°F at 3:21am This month's high Heat Index 65.0°F This year's high Heat Index 68.0°F Heat Index graph of the Week. This graph is updated daily at 2am. Today  |  1 Week  |  Month  |  3 Months  |  Year
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