Create iOS Calendar event when lightning is detected by Tempest Weather System
1 ready-made iOS Calendar and Tempest Weather System Applets
Turn one on, or build your own. Tempest Weather System can start an automation with "Brightness drops below", and IFTTT can then run "Create a calendar event" on iOS Calendar.
Automate iOS Calendar and Tempest Weather System from your AI assistant
Ask OpenClaw to create iOS Calendar events for you, right from your AI assistant, with IFTTT MCP.
Set up IFTTT MCP
Create your own iOS Calendar and Tempest Weather System workflow
Create custom workflows effortlessly by selecting triggers, queries, and actions. With IFTTT, it's simple: “If this” trigger happens, “then that” action follows. Streamline tasks and save time with automated workflows that work for you.
43 triggers, queries, and actions
Brightness drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the brightness at your WeatherFlow Tempest Station drops below a value that you select.
Brightness rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the brightness at your WeatherFlow Tempest Station rises above a value that you select.
Fire Weather Alert
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your Tempest Station reports an observation that has a wind gust above 20 mph and humidity below 45%.
Forecast temperature drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the temperature forecast for your WeatherFlow Tempest Station drops below a value in the time frame you select.
Forecast temperature rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the temperature forecast for your WeatherFlow Tempest Station rises above a value in the time frame you select.
Humidity drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the humidity at your WeatherFlow Tempest Station drops below a value you select.
Humidity rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the humidity at your WeatherFlow Tempest Station rises above a value you select.
Lightning strike
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your WeatherFlow Tempest Station detects a lightning strike.
New event added from search
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires every time a new event is added to any of your calendars that contains a specific keyword or phrase. The search looks at all of the attributes associated with an event, including title, location, notes, and invitees.
New event added to any calendar
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires every time a new event is added to any of your calendars.
New event added to specific calendar
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires every time a new event is added to the calendar that you specify.
New observation
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your WeatherFlow Tempest Station has a new observation.
History of Brightness drops below threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's brightness dropped below a value that you select. Note: this query will only return future events after this Applet is created.
History of Brightness exceeded threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's brightness rose above a value that you select. Note: this query will only return future events after this Applet is created.
History of Humidity drops below threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's humidity dropped below a value you select. Note: this query will only return future events after this Applet is created.
History of Humidity rises above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's humidity rose above a value you select. Note: this query will only return future events after this Applet is created.
History of Lightning strikes
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station detected a lightning strike.
History of observations
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of every time your WeatherFlow Smart Weather Station has a new observation.
History of pressure drops below a specified value
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of recent times your WeatherFlow Smart Weather Station's pressure fell below a specified value. Note: this query will only return future events after this Applet is created.
History of Pressure rises above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's pressure rose above a value you select. Note: this query will only return future events after this Applet is created.
History of Rain detected
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station detected the start of rain.
History of Solar radiation drops below
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's solar radiation drops below a value that you select. Note: this query will only return future events after this Applet is created.
History of Solar radiation rose above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's solar radiation rose above a value that you select. Note: this query will only return future events after this Applet is created.
History of Temperature dropped below threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's temperature dropped below a value you select. Note: this query will only return future events after this Applet is created.
Create a calendar event
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This action creates a new event in the calendar you specify.
Brightness drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the brightness at your WeatherFlow Tempest Station drops below a value that you select.
Brightness rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the brightness at your WeatherFlow Tempest Station rises above a value that you select.
Create a calendar event
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This action creates a new event in the calendar you specify.
Fire Weather Alert
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your Tempest Station reports an observation that has a wind gust above 20 mph and humidity below 45%.
Forecast temperature drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the temperature forecast for your WeatherFlow Tempest Station drops below a value in the time frame you select.
Forecast temperature rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the temperature forecast for your WeatherFlow Tempest Station rises above a value in the time frame you select.
History of Brightness drops below threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's brightness dropped below a value that you select. Note: this query will only return future events after this Applet is created.
History of Brightness exceeded threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's brightness rose above a value that you select. Note: this query will only return future events after this Applet is created.
History of Humidity drops below threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's humidity dropped below a value you select. Note: this query will only return future events after this Applet is created.
History of Humidity rises above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station's humidity rose above a value you select. Note: this query will only return future events after this Applet is created.
History of Lightning strikes
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeatherFlow Smart Weather Station detected a lightning strike.
History of observations
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of every time your WeatherFlow Smart Weather Station has a new observation.
Build an automation in seconds!
If
Select a trigger the automation will use
Brightness drops below
Brightness rises above
Fire Weather Alert
Forecast temperature drops below
Forecast temperature rises above
Humidity drops below
Humidity rises above
Lightning strike
New event added from search
New event added to any calendar
New event added to specific calendar
New observation
Pressure drops below
Pressure rises above
Rain detected
Solar radiation drops below
Solar radiation rises above
Temperature drops below
Temperature rises above
UV drops below
UV rises above
Wet Bulb Globe Temperature drops below
Wet Bulb Globe Temperature rises above
Wind speed drops below
Wind speed rises above
Then
Select an action the automation will perform
Create a calendar event
You can add delays, queries, and more actions in the next step!
GET STARTED
How to connect to a iOS Calendar automation
Find an Applet using iOS Calendar and Tempest Weather System
Find an automation to connect to, or create your own!Connect IFTTT to your accounts
Securely connect the Applet services to your respective accounts.Finalize and customize your Applet
Review trigger and action settings, and click connect. Simple as that!Upgrade your automations with
-
Connect to more Applets
Connect up to 20 automations with Pro, and unlimited automations with Pro+ -
Add multiple actions with exclusive services
Add real-time data and multiple actions for smarter automations -
Get access to faster speeds
Get faster updates and more actions with higher rate limits and quicker checks
iOS Calendar and Tempest Weather System tips, tools, and resources
-
Productivity
6 calendar automations your week needs
-
Popular
We tested these 24 Applets so you don't have to
-
Popular
What is IFTTT MCP?
-
Popular
What your automations say about your aesthetic
-
Holiday
Six automations for a stronger start to 2026
-
Holiday
The lazy person's guide to productivity
-
Popular
Six ways to automate these annoying tasks
-
Holiday
Six productivity hacks that'll save you time in 2026
-
Popular
7 automations for people who hate mornings
More on iOS Calendar and Tempest Weather System
About iOS Calendar
iOS Calendar and IFTTT let you automatically create events and trigger automations when new calendar entries appear.
About Tempest Weather System
Tempest Weather System and IFTTT let you automate actions based on real-time weather conditions like rain, temperature changes, and UV levels.