alerts

API: weather.gov:national-weather-service-api
Endpoint: /alerts
Response format: application/geo+json
Auth: unknown
Method: GET
Last Status: 200
Latency: 657ms

Description

Returns all alerts

Parameters (17)

active (boolean, query, optional)

List only active alerts (use /alerts/active endpoints instead)

area (array, query, optional)

State/territory code or marine area code This parameter is incompatible with the following parameters: point, region, region_type, zone

certainty (array, query, optional)

Certainty (observed, likely, possible, unlikely, unknown)

code (array, query, optional)

Event code

cursor (string, query, optional)

Pagination cursor

end (string, query, optional)

End time

event (array, query, optional)

Event name

limit (integer, query, optional, default: 500)

Limit

Constraints: {'minimum': 1, 'maximum': 500}

message_type (array, query, optional)

Message type (alert, update, cancel)

point (?, query, optional)

Point (latitude,longitude) This parameter is incompatible with the following parameters: area, region, region_type, zone

region (array, query, optional)

Marine region code This parameter is incompatible with the following parameters: area, point, region_type, zone

region_type (string, query, optional)

Region type (land or marine) This parameter is incompatible with the following parameters: area, point, region, zone

Constraints: {'enum': ['land', 'marine']}

severity (array, query, optional)

Severity (extreme, severe, moderate, minor, unknown)

start (string, query, optional)

Start time

status (array, query, optional)

Status (actual, exercise, system, test, draft)

urgency (array, query, optional)

Urgency (immediate, expected, future, past, unknown)

zone (array, query, optional)

Zone ID (forecast or county) This parameter is incompatible with the following parameters: area, point, region, region_type

Examples (3)

Get active alerts with limit curl

curl 'https://api.weather.gov/alerts?active=true&limit=10' \
  -H 'User-Agent: (example.com, contact@example.com)'

import requests

resp = requests.get(
    "https://api.weather.gov/alerts",
    params={
        'active': 'true',
        'limit': '10',
    },
    headers={
        'User-Agent': '(example.com, contact@example.com)',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("weather")
result = api.fetch("alerts", active="true", limit=10)

for item in result:
    print(item)

const resp = await fetch("https://api.weather.gov/alerts?active=true&limit=10", {
  headers: {
    "User-Agent": "(example.com, contact@example.com)",
  },
});
const data = await resp.json();

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Get alerts for California curl

curl 'https://api.weather.gov/alerts?area=CA&limit=50' \
  -H 'User-Agent: (example.com, contact@example.com)'

import requests

resp = requests.get(
    "https://api.weather.gov/alerts",
    params={
        'area': 'CA',
        'limit': '50',
    },
    headers={
        'User-Agent': '(example.com, contact@example.com)',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("weather")
result = api.fetch("alerts", area="CA", limit=50)

for item in result:
    print(item)

const resp = await fetch("https://api.weather.gov/alerts?area=CA&limit=50", {
  headers: {
    "User-Agent": "(example.com, contact@example.com)",
  },
});
const data = await resp.json();

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Get alerts near San Francisco coordinates curl

curl 'https://api.weather.gov/alerts?point=37.7749%2C-122.4194' \
  -H 'User-Agent: (example.com, contact@example.com)'

import requests

resp = requests.get(
    "https://api.weather.gov/alerts",
    params={
        'point': '37.7749,-122.4194',
    },
    headers={
        'User-Agent': '(example.com, contact@example.com)',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("weather")
result = api.fetch("alerts", point="37.7749,-122.4194")

for item in result:
    print(item)

const resp = await fetch("https://api.weather.gov/alerts?point=37.7749%2C-122.4194", {
  headers: {
    "User-Agent": "(example.com, contact@example.com)",
  },
});
const data = await resp.json();

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Probe History

Latency

Status Codes

Time	Status	Latency	Size
2026-04-04 03:13:15.942422	200	657ms
2026-04-04 02:18:49.149299	200	782ms
2026-04-04 02:08:39.876305	200	1766ms
2026-04-03 13:32:53.823542	200	764ms
2026-04-03 12:25:03.562828	200	1213ms
2026-04-03 12:19:23.461147	200	597ms
2026-03-30 06:34:37.238493	200	410ms
2026-03-30 03:22:25.848047	200	994ms
2026-03-30 02:48:27.854887	200	381ms
2026-03-29 14:02:04.880246	200	4221ms
2026-03-29 13:43:35.284730	200	318ms
2026-03-29 12:51:00.441805	200	472ms
2026-03-23 09:04:36.509326	200	2252ms
2026-03-23 01:51:29.108737	200	723ms
2026-03-23 01:50:27.578309	200	824ms	1.0MB