Wind Chill Calculator
Calculate the wind chill factor and "feels like" temperature based on air temperature and wind speed using the official NWS formula.
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Understanding Wind Chill
What is Wind Chill?
Wind chill is the perceived decrease in air temperature felt by the body due to the flow of air. The wind increases heat loss from exposed skin, making it feel colder than the actual temperature.
The NWS Formula
We use the official National Weather Service formula: Wind Chill = 35.74 + 0.6215T - 35.75(V^0.16) + 0.4275T(V^0.16), where T is temperature in °F and V is wind speed in mph.
Frostbite Risk
-10°F to -24°F: Frostbite in 30 min
-25°F to -39°F: Frostbite in 10-15 min
-40°F or below: Frostbite in 5 min
Safety Tips
Dress in layers, cover exposed skin, wear windproof outer layers, and limit time outdoors when wind chill is dangerous. Watch for signs of frostbite and hypothermia.
Wind Chill Calculator Guides & Articles
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