Do not crash if weather output is too short

src/statusscreen/Weather.go

@@ -29,7 +29,11 @@ func (weather *Weather) GetOutput() []string {
 
 	parts := strings.Split(weather.lastResponse, "\n")
 
-	return parts[:len(parts)-5]
+	if len(parts) > 6 {
+		return parts[:len(parts)-5]
+	}
+
+	return []string{}
 }
 
 func (weather *Weather) getWeather() (string, error) {