Predict construction delays with Claude, OpenWeather and Slack alerts

Description

This workflow monitors active construction projects in real time, ingests weather forecasts, supplier delivery statuses, and crew/resource availability, then uses Claude AI to predict delay risk, estimate schedule impact, and generate mitigation playbooks for project managers.

How it works

Trigger — Webhook (on-demand) or daily schedule kick-off
Load Active Projects — Pulls project list from your PM system (Procore / Airtable / Sheets)
Fetch Weather Forecast — 7-day forecast for each project site location
Fetch Supplier Status — Checks open purchase orders and delivery ETAs
Fetch Resource Availability — Crew headcount, equipment, subcontractor status
Combine Risk Data — Merges all data streams per project
AI Delay Prediction — Claude AI scores delay probability and generates mitigation plan
Severity Routing — Routes CRITICAL/HIGH risk projects to immediate alert path
Notify Project Managers — Slack alert with risk summary and action items
Update PM Dashboard — Writes prediction back to Airtable / Google Sheets
Create Risk Ticket — Opens Jira / Linear issue for HIGH+ risk projects
Send Daily Briefing — Email digest of all at-risk projects

Setup Steps

Import workflow into n8n
Configure credentials:
Anthropic API — Claude AI for delay prediction
OpenWeatherMap API — Site weather forecasts
Airtable / Google Sheets — Project & resource data
Procore API — Schedule and RFI data (optional)
Slack OAuth — Project manager alerts
Jira API — Risk issue tracking
SendGrid / SMTP — Daily email briefing
Set your Airtable base ID and table names
Configure Slack channel IDs per severity level
Set your risk threshold (default: 60%) in the routing node
Activate the workflow

Sample Webhook Payload
{
"projectId": "PROJ-2025-042",
"projectName": "Riverside Commercial Tower",
"siteLocation": { "lat": -33.8688, "lon": 151.2093 },
"plannedEndDate": "2025-11-15",
"currentPhase": "Structure",
"forceRefresh": true
}

AI Prediction Criteria (Claude)
Weather Risk** — Rain days, wind, temperature extremes blocking site work
Supplier Risk** — Lead time slippage, back-orders, sole-source dependencies
Resource Risk** — Labour shortages, equipment breakdown, subcontractor delays
Schedule Slack** — Float remaining vs. risk exposure
Phase Complexity** — Current phase sensitivity to external delays
Historical Patterns** — Similar project delay patterns

Features
Multi-source real-time risk ingestion
AI-powered delay probability scoring (0–100%)
Automated severity routing and escalation
Mitigation playbook generation per risk type
Google Sheets / Airtable dashboard sync
Daily briefing email and Slack digest

Explore More Automation:
Contact us to design AI-powered lead nurturing, content engagement, and multi-platform reply workflows tailored to your growth strategy.