NWS (US National Weather Service)

live WeatherGovernment

Authoritative US weather: 7-day + hourly forecasts, severe-weather alerts, station observations. No auth (UA-tagged). US locations only.

5 tools
0ms auth
free tier 50 calls/day

Tools

get_forecast

Get the 7-day NWS forecast for a US lat/lon. Returns named periods (e.g., "Tonight", "Wednesday") with high/low temperature, wind, and a short text forecast. US locations only.

No parameters required.

▶ Try it
get_hourly_forecast

Get the hourly NWS forecast for a US lat/lon (~168 hours). Useful for short-term planning, severe-weather windows, or precipitation timing.

No parameters required.

▶ Try it
get_alerts

Active NWS watches / warnings / advisories. Filter by US state (2-letter code), point (lat,lon), severity, or status. Returns event name, severity, urgency, headline, description, affected areas, and

No parameters required.

▶ Try it
get_observation

Latest observation from a specific NWS weather station. Returns temperature, humidity, wind, visibility, pressure, and present-weather codes.

No parameters required.

▶ Try it
get_stations

Find NWS weather observation stations in a US state (e.g., "CA", "NY", "TX"). Returns station IDs (use with get_observation), names, time zones, and coordinates. US only.

No parameters required.

▶ Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/nws/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/nws/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"get_forecast","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("get_forecast", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("authoritative us weather: 7-day + hourly forecasts, severe-weather alerts, station observations");