NWS Weather Alerts Scraper – US Warnings in Real Time

NWS weather alerts scraper that returns all active US weather warnings, watches and advisories from the official National Weather Service API: tornado, flood, hurricane, heat, winter storm and more, with severity, urgency, affected areas, timing and safety instructions. Filter by state, point, severity or event type. U.S. public domain data.

What does it do?

• Event, headline, severity, urgency, certainty.
• Affected areas and states.
• Sent, onset, expiry and end times.
• Full description and safety instructions.
• Issuing NWS office and link to the alert.

Use cases

• Alert bots: post new tornado or flood warnings to X or Telegram.
• Logistics, insurance, retail and events: monitor risk at your locations.
• Local SEO and content: timely weather pages and newsletters.
• AI agents and automation: trigger Make/Zapier/n8n workflows on severe alerts.

Input

Field	Description
states	2-letter codes. Example: TX, FL
severity	Extreme, Severe, Moderate, Minor, Unknown
urgency	Immediate, Expected, Future, Past, Unknown
certainty	Observed, Likely, Possible, Unlikely, Unknown
events	Exact NWS names. Example: Tornado Warning, Flood Warning
point	Alerts covering a location. Overrides states. Example: 29.76,-95.37
maxItems	Sorted by severity first.

Example input:

{
  "maxItems": 25
}

Output

Real output (first items of a run on 26 Oct 2026):

[
  {
    "id": "urn:oid:2.49.0.1.840.0.a0a7c08a44b67a58558ad149fde36213fbc6c514.002.1",
    "event": "Hurricane Force Wind Warning",
    "headline": "Hurricane Force Wind Warning issued October 25 at 3:52AM AKDT until October 26 at 5:00PM AKDT by NWS Anchorage AK",
    "severity": "Extreme",
    "urgency": "Immediate",
    "certainty": "Observed",
    "category": "Met",
    "messageType": "Alert",
    "areas": "Bering Sea Offshore  West of 180 and East of the International Date Line",
    "states": [
      "PK"
    ],
    "sent": "2026-10-25T03:52:00-08:00",
    "effective": "2026-10-25T03:52:00-08:00",
    "onset": "2026-10-26T05:00:00-08:00",
    "expires": "2026-10-25T18:15:00-08:00",
    "ends": "2026-10-26T17:00:00-08:00",
    "office": "NWS Anchorage AK",
    "description": "Offshore Waters Forecast for the Bering Sea\n\nWind forecasts reflect the predominant speed and direction\nexpected. Sea forecasts represent an average of the highest\none-third of the combined wind wave and swell height.\n\n.TODAY...SW wind 30 to 45 kt. Seas 16 to 24 ft.\n.TONIGHT...SW wind 15 to 30 kt becoming SE 25 to 40 kt after\nmidnight. Seas 12 to 20 ft. Rain.\n.MON...SE wind 40 to 55 kt becoming S 50 to 65 kt in the\nafternoon. Seas 16 to 24 ft building to 23 to 35 ft in the\nafternoon. Rain.\n.MON NIGHT...SW wind 45 to 60 kt. Seas 21 to 36 ft.\n.TUE...SW wind 20 to 35 kt. Seas 12 to 20 ft.\n.WED...SE wind 20 to 35 kt. Seas 8 to 16 ft.\n.THU...NW wind 30 to 45 kt. Seas 17 to 27 ft.",
    "instruction": null,
    "response": "Avoid",
    "hasGeometry": false,
    "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a0a7c08a44b67a58558ad149fde36213fbc6c514.002.1"
  },
  {
    "id": "urn:oid:2.49.0.1.840.0.c62dad18688fd8f1e3ffaf4d02dea7fb551444bc.002.1",
    "event": "Hurricane Force Wind Warning",
    "headline": "Hurricane Force Wind Warning issued October 26 at 3:42AM AKDT until October 26 at 5:00PM AKDT by NWS Anchorage AK",
    "severity": "Extreme",
    "urgency": "Immediate",
    "certainty": "Observed",
    "category": "Met",
    "messageType": "Alert",
    "areas": "Bering Sea Offshore  West of 180 and East of the International Date Line",
    "states": [
      "PK"
    ],
    "sent": "2026-10-26T03:42:00-08:00",
    "effective": "2026-10-26T03:42:00-08:00",
    "onset": "2026-10-26T05:00:00-08:00",
    "expires": "2026-10-26T17:30:00-08:00",
    "ends": "2026-10-26T17:00:00-08:00",
    "office": "NWS Anchorage AK",
    "description": "Offshore Waters Forecast for the Bering Sea\n\nWind forecasts reflect the predominant speed and direction\nexpected. Sea forecasts represent an average of the highest\none-third of the combined wind wave and swell height.\n\n.TODAY...SE wind 40 to 55 kt becoming S 50 to 65 kt in the\nafternoon. Seas 13 to 27 ft building to 22 to 37 ft in the\nafternoon. Rain. Isolated thunderstorms.\n.TONIGHT...SW wind 45 to 60 kt. Seas 22 to 37 ft. Isolated\nthunderstorms before midnight.\n.TUE...SW wind 25 to 40 kt diminishing to 15 to 25 kt in the\nafternoon. Seas 14 to 22 ft.\n.TUE NIGHT...SW wind 10 to 20 kt. Seas 9 to 15 ft.\n.WED...SE wind 35 to 50 kt. Seas 10 to 18 ft.\n.THU THROUGH FRI...NW wind 30 to 45 kt. Seas 15 to 27 ft.",
    "instruction": null,
    "response": "Avoid",
    "hasGeometry": false,
    "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c62dad18688fd8f1e3ffaf4d02dea7fb551444bc.002.1"
  }
]

Export the results as JSON, CSV or Excel, read them through the API, or send them to Google Sheets, Make, Zapier, n8n or webhooks. You can also run this Actor from AI agents through the Apify MCP server.

Pricing

Pay per event: $1.80 per 1,000 alerts plus $0.00005 per run start. There is no extra platform usage charge.

FAQ

How fresh is it? NWS updates alerts continuously. Schedule the Actor every 5–15 minutes.

Does it cover outside the US? No, only US states, territories and marine zones.

Can I use it commercially? Yes, NWS information is U.S. public domain. Do not present it as official or as endorsed by NOAA/NWS.

Do I need a login or API key? No. It uses the source's public API; you only need an Apify account.

Can AI agents use it? Yes. Call it through the Apify API, or from Claude, Cursor or any MCP client via the Apify MCP server.

Data source and license

Source: api.weather.gov. NWS disclaimer: "The information on National Weather Service (NWS) Web pages are in the public domain, unless specifically noted otherwise, and may be used without charge for any lawful purpose so long as you do not: 1) claim it is your own …, 2) use it in a manner that implies an endorsement or affiliation with NOAA/NWS, or 3) modify its content and then present it as official government material." Not affiliated with or endorsed by NOAA/NWS; not an official warning channel.

This Actor is not affiliated with or endorsed by the data source. You are responsible for using the data in line with the source's license and terms.