Cold Safety: Wind Chill

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Everyone
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About this app

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.
Wind chill and frostbite time for any US location, from NWS forecasts
Updated on
Oct 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App info and performance and Device or other IDs
  • This app may collect these data types
    Location
  • Data is encrypted in transit
  • Data can’t be deleted
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
QVYSHIFT LLC
support@qvyshift.com
5900 Balcones Dr Ste 100 Austin, TX 78731 United States
+1 415-734-8712

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