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glossary

Wind chill

The thermometer says one thing. The walk across the parking lot says another.

Short answer

Wind chill expresses how quickly moving air pulls heat from exposed skin, producing a felt temperature well below the air temperature. On the open, flat terrain around Fargo–Moorhead, wind is nearly always present, so wind chill — not the thermometer — is what determines frostbite risk and how long you can safely be outside.

Why it dominates here

There is very little between this metro and the horizon in most directions. Wind arrives with nothing to slow it. A modest subzero temperature with a strong wind produces frostbite risk measured in minutes rather than hours, which is why local forecasts lead with the wind chill number.

What to do with the number

Treat it as an instruction rather than trivia. Cover skin, shorten outdoor time, and do not plan to stand still — waiting for a bus at a bad wind chill is a different activity than walking. When it is severe, the correct answer to a stalled car is often to get somewhere warm and deal with the car later.

Questions people actually ask

Does wind chill affect my car?

No. Vehicles cool to the actual air temperature; wind chill describes heat loss from skin. It still affects how long you can stand next to the car.

How fast can frostbite happen?

At severe wind chills, exposed skin can be at risk in minutes. Follow the local advisory language rather than guessing.

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