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Wind chill and frostbite time for any US location, from NWS forecasts
Know how long exposed skin can stay outside. Cold Safety turns the National Weather Service forecast for your location into wind chill, frostbite time, and published cold-weather guidance for outdoor work, sports and recess. Get current conditions and 4-day forecasts for locations in the USA, including Alaska. - Wind chill, calculated with the official NWS formula - Frostbite time (30, 10 or 5 minutes), from the NWS wind chill chart - Outdoor work: maximum work periods and warm-up breaks from the ACGIH work/warm-up schedule, for moderate-to-heavy or light work - Athletics: the wind chill action levels used by the NATA, the NCAA and state high school associations - Recess and child care: zones from the Child Care Weather Watch chart - Lowest wind chill for each of the next 4 days - 4-day wind chill forecast chart - National Weather Service Extreme Cold Warnings, Extreme Cold Watches and Cold Weather Advisories for your location - Search by city, address or ZIP code, or use your current location Colors follow the frostbite bands on the NWS wind chill chart, so you can see the risk at a glance. Turn each box on or off in Settings. Useful for outdoor workers and supervisors, coaches and athletic trainers, teachers and child care staff, hunters, skiers, and anyone heading out into the cold. Weather information comes from the National Weather Service. Cold Safety is not affiliated with or endorsed by the National Weather Service, NOAA, ACGIH, NATA, the NCAA or any state agency. The guidance is for information only. It is not medical, legal or occupational-safety advice. Always follow NWS warnings and your employer's, school's or league's policies. No login, registration or subscription required. Recognize the conditions that lead to frostbite and hypothermia before they set in. Cover exposed skin, dress in layers, stay dry, and plan warm-up breaks in a warm place. This app is ad-supported with occasional ads. A one-time in-app purchase removes ads and unlocks 7-day forecasts.