diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06ba603..5baa8c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Change log
 
 * 💊 Fix handling of `--file` parameter, as it did not work as advertised
 * 💊 Improve desktop error output, restricting application to single instance
+* 🎁 Open METAR file via CLI parameter (or double-click on desktop app)
 
 1.2.4
 -----
diff --git a/src/WettergeraetDesktop/Frame.cpp b/src/WettergeraetDesktop/Frame.cpp
index c2fee4c..47089a5 100644
--- a/src/WettergeraetDesktop/Frame.cpp
+++ b/src/WettergeraetDesktop/Frame.cpp
@@ -214,6 +214,9 @@ Frame::Frame(const wxString& title, int argc, char * argv[]) : wxFrame(nullptr,
 	// ----------------------------------------------------
 
 	this->loadMainMcf();
+	if (strlen(this->argumentor.metarfile) != 0) {
+		this->loadMetarFile(this->argumentor.metarfile);
+	}
 	this->addIcaoChoice("KDEN"); // Denver
 	this->addIcaoChoice("KJFK"); // New York - JFK
 	this->addIcaoChoice("KLAS"); // Las Vegas
@@ -361,6 +364,19 @@ void Frame::actionParse(wxCommandEvent& WXUNUSED(event))
 	}
 }
 
+void Frame::loadMetarFile(wxString filename) {
+	wxTextFile tfile;
+	tfile.Open(filename);
+
+	auto metarString = tfile.GetFirstLine();
+	if (!tfile.Eof()) {
+		metarString += "\n" + tfile.GetNextLine();
+	}
+	this->metarInput->SetValue(metarString);
+	this->saveButton->SetFocus();
+	this->markAsDirty();
+}
+
 void Frame::actionSave(wxCommandEvent& WXUNUSED(event))
 {
 	if (!this->argumentor.isDryRun) {
@@ -404,21 +420,11 @@ void Frame::actionAbout(wxCommandEvent& WXUNUSED(event))
 
 void Frame::actionOpenMetarFile(wxCommandEvent& WXUNUSED(event))
 {
-	wxFileDialog  openFileDialog(this, _("Open METAR file"), "", "", "Text files (*.txt, *.rwx)|*.txt;*.rwx", wxFD_OPEN | wxFD_FILE_MUST_EXIST);
+	wxFileDialog openFileDialog(this, _("Open METAR file"), "", "", "Text files (*.txt, *.rwx)|*.txt;*.rwx", wxFD_OPEN | wxFD_FILE_MUST_EXIST);
 	if (openFileDialog.ShowModal() == wxID_CANCEL) {
 		return;
 	}
-
-	wxTextFile tfile;
-	tfile.Open(openFileDialog.GetPath());
-
-	auto metarString = tfile.GetFirstLine();
-	if (!tfile.Eof()) {
-		metarString += "\n" + tfile.GetNextLine();
-	}
-	this->metarInput->SetValue(metarString);
-	this->saveButton->SetFocus();
-	this->markAsDirty();
+	return this->loadMetarFile(openFileDialog.GetPath());
 }
 
 void Frame::actionSaveMetarFile(wxCommandEvent& WXUNUSED(event))
diff --git a/src/WettergeraetDesktop/Frame.h b/src/WettergeraetDesktop/Frame.h
index c0da9f3..1cc7202 100644
--- a/src/WettergeraetDesktop/Frame.h
+++ b/src/WettergeraetDesktop/Frame.h
@@ -80,6 +80,9 @@ class Frame : public wxFrame
 	// Parse METAR data into Aerofly values
 	virtual void actionParse(wxCommandEvent&);
 
+	// Copy METAR information from file to METAR input field
+	virtual void loadMetarFile(wxString filename);
+
 	// Save Aerofly values into config file
 	virtual void actionSave(wxCommandEvent&);
 
diff --git a/src/WettergeraetLib/Argumentor.cpp b/src/WettergeraetLib/Argumentor.cpp
index b912289..af179fd 100644
--- a/src/WettergeraetLib/Argumentor.cpp
+++ b/src/WettergeraetLib/Argumentor.cpp
@@ -159,12 +159,20 @@ void Argumentor::getArgs(int argc, char * argv[])
 			else if (currentArg == "--metar") {
 				strcpy_s(this->metarString, 512, argv[++i]);
 			}
+			else if (currentArg == "--metarfile") {
+				strcpy_s(this->metarfile, 512, argv[++i]);
+			}
 			else if (currentArg == "--hours") {
 				this->hours = std::stoi(argv[++i]);
 			}
 		}
 		else {
-			strcpy_s(this->filename, 512, argv[i]);
+			if (strstr(argv[i], ".rwx") != NULL || strstr(argv[i], ".txt") != NULL) {
+				strcpy_s(this->metarfile, 512, argv[i]);
+			}
+			else {
+				strcpy_s(this->filename, 512, argv[i]);
+			}
 		}
 	}
 }
diff --git a/src/WettergeraetLib/Argumentor.h b/src/WettergeraetLib/Argumentor.h
index 909e2ae..5dfafbb 100644
--- a/src/WettergeraetLib/Argumentor.h
+++ b/src/WettergeraetLib/Argumentor.h
@@ -27,6 +27,9 @@ class Argumentor
 
 	char metarString[512] = "";
 
+	// Initially loaded METAR file
+	char metarfile[512] = "";
+
 	int hours = 0;
 
 	bool isDryRun = false;