NWS Weather MCP Server

About NWS Weather

get-alerts returns every active National Weather Service alert for a two-letter US state code (event, area, severity, description, official instruction); get-forecast returns the next five NWS forecast periods for a latitude/longitude. Discovery and health are free; a paid call is $0.01 in USDC on Base over x402, and nothing is charged when the request returns no data. Also available as a local stdio server via npx -y @thx93/mcp-weather-server.

NWS Weather tools (3)

Read from the live server on Oct 26, 2026. These are the tools your AI assistant can call once connected.

get-alerts

Get active weather alerts for a US state. Give the two-letter state code (for example CA or NY) and get every active National Weather Service alert for it: the event type, the area it covers, its severity, what is happening, and the officia

get-forecast

Get the weather forecast for a point on the map. Give latitude and longitude and get the next five forecast periods for it: the period name, its temperature, wind speed and direction, and the plain-language forecast. US locations only. No A

health

Check that the service is up. Costs nothing.

How to connect NWS Weather to Claude, Cursor or VS Code

NWS Weather runs as a hosted remote MCP server at https://agent-evidence.thx93.dev/weather/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.

{
  "mcpServers": {
    "nws-weather": {
      "url": "https://agent-evidence.thx93.dev/weather/mcp"
    }
  }
}

Claude Code: claude mcp add --transport http nws-weather https://agent-evidence.thx93.dev/weather/mcp. Servers that require OAuth or an API key will prompt on first use.