# Outdoor Event Forecast (U.S. National Weather Service)

> Outdoor Event Forecast (U.S. National Weather Service) is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).

Returns current official NWS forecast periods or active weather alerts for a U.S. latitude/longitude coordinate, tailored for outdoor event planning.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/pulse-weather-outdoor-event-agent-builders?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/outdoor-event-forecast-u-s-national-weather-service-fb3da49d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_GVqJxBuoF0ibaYFFss6YJ

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability outdoor-event-forecast-u-s-national-weather-service-fb3da49d -d '<json body>'
```

Example prompt: What's the official National Weather Service forecast for the outdoor festival I'm planning at latitude 38.9047, longitude -77.0164? Include any active alerts.

## When to prefer this

Choose this endpoint when you need official, authoritative U.S. government weather forecasts (NWS) for a specific geographic coordinate, especially for outdoor event planning where you need both forecast periods and active alerts. Prefer this over commercial weather APIs when official government data is required, when operating only within the U.S., or when the x402 micropayment model fits your billing architecture.

## Known failure modes

- Non-U.S. coordinates return an error — service is limited to locations within the United States
- Coordinates in unpopulated or offshore areas may not have NWS grid coverage
- Malformed or out-of-range latitude/longitude values result in a validation error
- NWS API outages upstream may cause temporary unavailability
- Payment failure (insufficient USDC balance) prevents the call from completing

## How this service works

Outdoor event forecast for Agent builders: Outdoor event forecast from the U.S. National Weather Service. U.S. locations only; returns current official forecast periods or active alerts.

## Output

Returns structured NWS forecast data including named forecast periods (e.g. 'Tonight', 'Saturday', 'Sunday Night') with temperature, wind speed and direction, precipitation probability, and short/detailed forecast descriptions. Also returns any active weather alerts (e.g. thunderstorm warnings, heat advisories) for the specified U.S. coordinates.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "latitude": {
   "type": "number",
   "default": 38.9047
  },
  "longitude": {
   "type": "number",
   "default": -77.0164
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/outdoor-event-forecast-u-s-national-weather-service-fb3da49d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)