Send Weather Alerts to Your Mobile Phone with Openweathermap and Signl4

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "nodes": [
    {
      "id": "beebd9ac-4021-4e45-9971-4205c37e3742",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -500,
        40
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "61e48c99-fdd3-4db7-8e2e-67cb2c2dfd97",
      "name": "SIGNL4",
      "type": "n8n-nodes-base.signl4",
      "position": [
        60,
        -140
      ],
      "parameters": {
        "message": "=Weather alert \u2744\ufe0f Temperature: {{ $json.main.temp }} \u00b0C",
        "additionalFields": {
          "title": "Weather Alert from n8n",
          "externalId": "weather-alert",
          "locationFieldsUi": {
            "locationFieldsValues": {
              "latitude": "={{ $json.coord.lat }}",
              "longitude": "={{ $json.coord.lon }}"
            }
          }
        }
      },
      "credentials": {
        "signl4Api": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "739a31e4-d353-4c95-bb84-b36f6a5560cf",
      "name": "OpenWeatherMap",
      "type": "n8n-nodes-base.openWeatherMap",
      "position": [
        -320,
        -140
      ],
      "parameters": {
        "cityName": "Berlin"
      },
      "credentials": {
        "openWeatherMapApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "95aab17d-c0eb-439c-81ff-7452794a514a",
      "name": "If",
      "type": "n8n-nodes-base.if",
      "position": [
        -160,
        -140
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "b95ba4e6-0749-4dd0-9830-14a6b0b5edcf",
              "operator": {
                "type": "number",
                "operation": "lt"
              },
              "leftValue": "={{ $json.main.temp }}",
              "rightValue": 25
            }
          ]
        }
      },
      "typeVersion": 2
    },
    {
      "id": "ef813bf0-cd46-474e-9208-2efbd402782f",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        -500,
        -140
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "triggerAtHour": 6,
              "triggerAtMinute": 15
            }
          ]
        }
      },
      "typeVersion": 1.2
    }
  ],
  "connections": {
    "If": {
      "main": [
        [
          {
            "node": "SIGNL4",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenWeatherMap": {
      "main": [
        [
          {
            "node": "If",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "OpenWeatherMap",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking \u2018Test workflow\u2019": {
      "main": [
        [
          {
            "node": "OpenWeatherMap",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• openWeatherMapApi
• signl4Api

About this workflow

Get weather alerts on your mobile phone via push, SMS or voice call.

Source: https://n8n.io/workflows/966/ — original creator credit. Request a take-down →

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