Update README.md

addressing issue https://github.com/SpudGunMan/meshing-around/issues/23

README.md

@@ -29,7 +29,7 @@ Any messages that are over 160 characters are chunked into 160 message bytes to
 - Other functions
   - `whereami` returns the address of location of sender if known
   - `tide` returns the local tides, NOAA data source
-  - `wx` and `wxc` returns local weather forecast, NOAA data source (wxc is metric value)
+  - `wx` and `wxc` returns local weather forecast, (wxc is metric value), NOAA or Open Meteo for weather forcasting.
   - `wxa` and `wxalert` return NOAA alerts. Short title or expanded details
   - `joke` tells a joke
   - `messages` Replay the last messages heard, like Store and Forward
@@ -80,6 +80,14 @@ Setting the default channel is the channel that won't be spammed by the bot. It'
 respond_by_dm_only = True
 defaultChannel = 0
 ```
+The weather forcasting defaults to NOAA but for outside the USA you can set UseMeteoWxAPI `True` to use a world weather API. The lat and lon are for defaults when a node has no location data to use.
+```
+[location]
+enabled = True
+lat = 48.50
+lon = -123.0
+UseMeteoWxAPI = True
+```
 
 Modules can be disabled or enabled.
 ```