1 files changed, 10 insertions, 1 deletions
diff --git a/weather.go b/weather.go
index 1510e60..284c7ff 100644
--- a/weather.go
+++ b/weather.go
@@ -17,6 +17,12 @@ const bbcdefid = "2654675"
 const meturl = "https://www.metoffice.gov.uk/public/data/PWSCache/BestForecast/Forecast/%s.json?concise=true"
 const bbcurl = "https://weather-broker-cdn.api.bbci.co.uk/en/forecast/aggregated/%s"
 
+const usage = `Usage: weather [-s source] [-v] [locationid]
+
+weather shows the weather forecast for a location. Read the README
+for instructions on finding your location ID.
+`
+
 const mpsToMphMultiplier = 2.23693629
 
 // BBC structures
@@ -143,7 +149,6 @@ type Weather struct {
 
 var (
 	src     = flag.String("s", "bbc", "data source provider (valid options: 'bbc', 'metoffice')")
-	numdays = flag.Int("n", 2, "number of days to show")
 	verbose = flag.Bool("v", false, "verbose: show all weather details")
 )
 
@@ -217,6 +222,10 @@ func main() {
 	var resp *http.Response
 	var weather []Weather
 
+	flag.Usage = func() {
+		fmt.Fprintf(flag.CommandLine.Output(), usage)
+		flag.PrintDefaults()
+	}
 	flag.Parse()
 
 	switch *src {