Get US weather forecasts, active and recent alerts, and current observations.
Connect Remote server
claude mcp add --transport http nws-weather-mcp-server https://nws.caseyjhand.com/mcp
{
"mcpServers": {
"nws-weather-mcp-server": {
"url": "https://nws.caseyjhand.com/mcp"
}
}
}
{
"servers": {
"nws-weather-mcp-server": {
"type": "http",
"url": "https://nws.caseyjhand.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://nws.caseyjhand.com/mcp
Tools 10 found in our last check
nws_get_forecastGet the weather forecast for a US location. Returns either named 12-hour periods (default) or hourly breakdowns.
nws_search_alertsSearch weather alerts (watches, warnings, advisories) across the US: the alerts active now, or — with start and/or end — every alert message issued in that window within the last 7 days, updates and cancellations included, to answer whether a place was under a warning at a past…
nws_get_alertFetch one NWS alert message by ID — a current alert, or an earlier message that an update or cancellation has since superseded and that an active-alert search no longer returns. Takes an id from nws_search_alerts or a references[].identifier from any alert, and returns the same…
nws_get_alert_countsCount active weather alerts nationwide, per state/territory or marine area, and per marine region, in one small response — the answer to "how many alerts are active, and where" without fetching the alerts themselves. Counts cover every message status, Test and Exercise included,…
nws_get_observationsGet current weather observations (actual measured conditions). Accepts coordinates (resolves nearest station automatically) or a station ID directly (e.g., "KSEA").
nws_get_observation_historyGet a station's recent observation history, newest first — the trend behind the single latest reading nws_get_observations returns (is pressure falling, is the wind picking up). NWS keeps about the last 7 days per station, and a busy airport station reports as often as every 5 m…
nws_find_stationsFind weather observation stations near a location. Returns stations sorted by proximity with distance and bearing. Use to discover station IDs for nws_get_observations.
nws_list_alert_typesList all valid NWS alert event type names. Use to discover valid values for the event filter in nws_search_alerts, or to browse alert categories. No parameters required.
nws_get_office_discussionGet the latest narrative forecast product from a Weather Forecast Office (WFO). The default product is AFD (Area Forecast Discussion), which explains the meteorological reasoning behind the forecast — synoptic setup, model guidance, and forecaster confidence. Other types: HWO (H…
nws_get_zone_forecastGet the text forecast for an NWS forecast zone. Returns named forecast periods (e.g., "Today", "Tonight", "Monday") with detailed narrative text — the human-readable, zone-level forecast written by local forecasters. Completes the alert-to-forecast chain: nws_search_alerts retur…
Details
| Endpoint | https://nws.caseyjhand.com/mcp (Streamable HTTP) |
| Package | @cyanheads/[email protected] (NPM, stdio) |
| Package | @cyanheads/[email protected] (NPM, streamable-http) |
| First published | 11 Nov 2026 |
| Last updated | 11 Nov 2026 |
| Registry name | io.github.cyanheads/nws-weather-mcp-server |
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