Rain & High Temp alert

24h_rain_high_temp_alert.yaml

blueprint:
  name: Tomorrow's Rain & High Temp Forecast Alert
  description: >
    Notifies when the precipitation forecast for the next 24 hours changes.
    Includes total expected rainfall, the high temperature, and when that
    high is expected. Requires an input_text helper to track the last seen
    forecast (create one first: Settings > Devices & Services > Helpers >
    Text, min length 255).
  domain: automation
  input:
    weather_entity:
      name: Weather Entity
      description: Your Pirate Weather entity
      selector:
        entity:
          domain: weather
    notify_service:
      name: Notify Targets
      description: One or more legacy notify services, e.g. notify.mobile_app_pixel_9
      default: ["notify.mobile_app_pixel_9"]
      selector:
        text:
          multiple: true
    last_forecast_helper:
      name: Last Forecast Helper
      description: input_text helper used to detect forecast changes
      selector:
        entity:
          domain: input_text
    icon_sensor:
      name: Icon Sensor
      description: >
        PirateWeather icon sensor for tomorrow, e.g. sensor.pirateweather_icon_0d
      selector:
        entity:
          domain: sensor
    check_interval:
      name: Check Interval
      description: >
        Time pattern for how often to check. Use "/30" for every 30 minutes,
        "/15" for every 15 minutes, etc.
      default: "/30"
      selector:
        text:
    icon_service_url:
      name: Icon Service URL
      description: >
        Base URL of the svg-to-png addon (https://github.com/Netesfiu/hass-addons),
        used to render a large icon in the notification. Leave blank to skip.
      default: ""
      selector:
        text:

variables:
  weather_entity: !input weather_entity
  last_forecast_helper: !input last_forecast_helper
  icon_sensor: !input icon_sensor
  notify_service: !input notify_service
  icon_service_url: !input icon_service_url

trigger:
  - platform: time_pattern
    minutes: !input check_interval

action:
  - service: weather.get_forecasts
    target:
      entity_id: "{{ weather_entity }}"
    data:
      type: hourly
    response_variable: hourly_forecast

  - variables:
      cutoff: "{{ (now() + timedelta(hours=24)).isoformat() }}"
      upcoming: >
        {{ hourly_forecast[weather_entity].forecast
           | selectattr('datetime', 'lt', cutoff) | list }}
      total_rain: >
        {{ upcoming | map(attribute='precipitation') | select('number') | sum | round(2) }}
      max_temp_entry: "{{ upcoming | sort(attribute='temperature', reverse=true) | first }}"
      max_temp: "{{ max_temp_entry.temperature }}"
      max_temp_time: "{{ as_timestamp(max_temp_entry.datetime) | timestamp_custom('%-I %p %a') }}"
      max_apparent_entry: "{{ upcoming | sort(attribute='apparent_temperature', reverse=true) | first }}"
      max_apparent: "{{ max_apparent_entry.apparent_temperature }}"
      max_apparent_time: "{{ as_timestamp(max_apparent_entry.datetime) | timestamp_custom('%-I %p %a') }}"
      max_prob_entry: "{{ upcoming | sort(attribute='precipitation_probability', reverse=true) | first }}"
      max_prob: "{{ max_prob_entry.precipitation_probability | round | int }}"
      max_prob_time: "{{ as_timestamp(max_prob_entry.datetime) | timestamp_custom('%-I %p %a') }}"
      values: "{{ upcoming | map(attribute='precipitation') | select('number') | list }}"
      sparkline: >
        {% set blocks = '▁▂▃▄▅▆▇█' %}
        {% set max_v = (values | max) or 1 %}
        {%- for v in values -%}{{ blocks[(v / max_v * 7) | round | int] }}{%- endfor -%}
      peak_times: >
        {% set max_v = values | max %}
        {% set ns = namespace(list=[]) %}
        {% for i in range(values | length) %}
          {% if max_v > 0 and values[i] >= max_v * 0.9 %}
            {% set ns.list = ns.list + [values[i] | round(2) ~ 'in @ ' ~ (as_timestamp(upcoming[i].datetime) | timestamp_custom('%-I %p %a'))] %}
          {% endif %}
        {%- endfor %}
        {{- ns.list[:2] | join(', ') }}
      icon: >
        {{ {
             'clear-day': 'mdi:weather-sunny',
             'clear-night': 'mdi:weather-night',
             'rain': 'mdi:weather-rainy',
             'snow': 'mdi:weather-snowy',
             'sleet': 'mdi:weather-snowy-rainy',
             'wind': 'mdi:weather-windy',
             'fog': 'mdi:weather-fog',
             'cloudy': 'mdi:weather-cloudy',
             'partly-cloudy-day': 'mdi:weather-partly-cloudy',
             'partly-cloudy-night': 'mdi:weather-night-partly-cloudy',
             'thunderstorm': 'mdi:weather-lightning',
             'hail': 'mdi:weather-hail'
           }.get(states(icon_sensor), 'mdi:weather-cloudy') }}
      signature: "{{ total_rain }}|{{ max_temp }}|{{ max_temp_time }}|{{ max_apparent }}|{{ max_prob }}|{{ max_prob_time }}|{{ peak_times }}"
      last_signature: "{{ states(last_forecast_helper) }}"

  - condition: template
    value_template: "{{ signature != last_signature }}"

  - service: input_text.set_value
    target:
      entity_id: "{{ last_forecast_helper }}"
    data:
      value: "{{ signature }}"

  - repeat:
      for_each: "{{ notify_service }}"
      sequence:
        - service: "{{ repeat.item }}"
          data:
            title: Forecast update
            message: >
              {{ total_rain }}in rain expected in the next 24h.<br/>
              {{ sparkline }}<br/>
              High of {{ max_temp }}° (feels like {{ max_apparent }}°) at {{ max_temp_time }}.<br/>
              Peak {{ max_prob }}% chance of rain at {{ max_prob_time }}.
              {% if peak_times %}<br/>Rain peaks {{ peak_times }}.{% endif %}
            data:
              notification_icon: "{{ icon }}"
              icon_url: "{{ icon_service_url }}/mdi.png?icon={{ icon }}&size=96"
              channel: Forecast Alerts
              tag: rain_temp_forecast_update

mode: single