Demonstration only. Corollary is a non-commercial research demo — no warranty, no support, not for commercial use or clinical decisions. Read the disclaimer

All tools and databases

Earth and environment · Database

U.S. National Weather Service

Forecasts, station observations and active alerts for the United States.

What U.S. National Weather Service is

Forecasts, station observations and active alerts for the United States.

Query it here

The research agent queries U.S. National Weather Service directly — no account, no API key — and every answer links back to the record it came from. Ask in plain language and it writes the query.

Questions

Can I search U.S. National Weather Service without writing code?

Yes. The research agent queries U.S. National Weather Service directly, with no account or API key, and cites the record behind every answer. Ask in plain language — for a gene, a protein, a compound or a study — and it builds the query for you.

Can I reuse data from U.S. National Weather Service?

Public domain (U.S. government work). Terms: https://www.weather.gov/disclaimer