Son of Weather Grok is an application that displays current weather
conditions and forecasts for cities from around the world. It taps
into NOAA's (National Oceanic and Atmospheric Administration) data
center using 4 letter ICAO codes for Airports. Son of Grok will show
the temperature, sky conditions, humidity, wind speed, pressure,
ceiling, visibility, and much more.

Features:

Displays a variety of information for an unlimited number of cities
Weather conditiions can be displayed in the dock Retrieves ICAO code
and Forecast zone automatically for US locations Features a 10-day
forecast.

The website of the publisher is no longer active...

Son of Weather Grok was made using RealBasic.

The version 4.1.3 is only compatible with Mac OS Classic. Others
versions will run also under Mac OS X.

Compatibility
Architecture: PPC PPC (Carbonized)

PPC Macintosh, 4 MB Ram, Mac OS 8.6 to 9.2.2 (for version 4.1.3 only).

PPC Macintosh, 4 MB Ram, Mac OS 8.6 or higher or Mac OS X 10.1.x,
Carbon Lib 1.2 or higher (for others versions).