diff --git a/docs/CLI.md b/docs/CLI.md
index 51bc584d0..b12ff179f 100644
--- a/docs/CLI.md
+++ b/docs/CLI.md
@@ -47,6 +47,9 @@ By default, `.git`, `vendor` and `node_modules` directories are excluded.
 
 [--exclude-files=<files>]
 : Additional files to exclude from checks.
+
+[--severity=<severity>]
+: Severity level.
 ```
 ## EXAMPLES
 ```
diff --git a/includes/CLI/Plugin_Check_Command.php b/includes/CLI/Plugin_Check_Command.php
index e84b7f41f..7ae711a99 100644
--- a/includes/CLI/Plugin_Check_Command.php
+++ b/includes/CLI/Plugin_Check_Command.php
@@ -20,6 +20,8 @@
 
 /**
  * Plugin check command.
+ *
+ * @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
  */
 final class Plugin_Check_Command {
 
@@ -101,6 +103,9 @@ public function __construct( Plugin_Context $plugin_context ) {
 	 * [--exclude-files=<files>]
 	 * : Additional files to exclude from checks.
 	 *
+	 * [--severity=<severity>]
+	 * : Severity level.
+	 *
 	 * ## EXAMPLES
 	 *
 	 *   wp plugin check akismet
@@ -118,6 +123,7 @@ public function __construct( Plugin_Context $plugin_context ) {
 	 *
 	 * @SuppressWarnings(PHPMD.NPathComplexity)
 	 * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
+	 * @SuppressWarnings(PHPMD.CyclomaticComplexity)
 	 */
 	public function check( $args, $assoc_args ) {
 		// Get options based on the CLI arguments.
@@ -129,6 +135,7 @@ public function check( $args, $assoc_args ) {
 				'ignore-warnings'      => false,
 				'ignore-errors'        => false,
 				'include-experimental' => false,
+				'severity'             => '',
 			)
 		);
 
@@ -237,13 +244,27 @@ static function ( $dirs ) use ( $excluded_files ) {
 				unset( $warnings[ $file_name ] );
 			}
 			$file_results = $this->flatten_file_results( $file_errors, $file_warnings );
-			$this->display_results( $formatter, $file_name, $file_results );
+
+			if ( '' !== $options['severity'] ) {
+				$file_results = $this->get_filtered_results_by_severity( $file_results, intval( $options['severity'] ) );
+			}
+
+			if ( ! empty( $file_results ) ) {
+				$this->display_results( $formatter, $file_name, $file_results );
+			}
 		}
 
 		// If there are any files left with only warnings, print those next.
 		foreach ( $warnings as $file_name => $file_warnings ) {
 			$file_results = $this->flatten_file_results( array(), $file_warnings );
-			$this->display_results( $formatter, $file_name, $file_results );
+
+			if ( '' !== $options['severity'] ) {
+				$file_results = $this->get_filtered_results_by_severity( $file_results, intval( $options['severity'] ) );
+			}
+
+			if ( ! empty( $file_results ) ) {
+				$this->display_results( $formatter, $file_name, $file_results );
+			}
 		}
 	}
 
@@ -599,4 +620,22 @@ private function has_runtime_check( array $checks ) {
 
 		return false;
 	}
+
+	/**
+	 * Returns check results filtered by severity level.
+	 *
+	 * @since 1.1.0
+	 *
+	 * @param array $results  Check results.
+	 * @param int   $severity Severity level.
+	 * @return array Filtered results.
+	 */
+	private function get_filtered_results_by_severity( $results, $severity ) {
+		return array_filter(
+			$results,
+			function ( $item ) use ( $severity ) {
+				return ( $item['severity'] >= $severity );
+			}
+		);
+	}
 }
diff --git a/includes/Checker/Check_Result.php b/includes/Checker/Check_Result.php
index 88633f1aa..e79e5270d 100644
--- a/includes/Checker/Check_Result.php
+++ b/includes/Checker/Check_Result.php
@@ -95,11 +95,12 @@ public function plugin() {
 	 */
 	public function add_message( $error, $message, $args = array() ) {
 		$defaults = array(
-			'code'   => '',
-			'file'   => '',
-			'line'   => 0,
-			'column' => 0,
-			'link'   => '',
+			'code'     => '',
+			'file'     => '',
+			'line'     => 0,
+			'column'   => 0,
+			'link'     => '',
+			'severity' => 5,
 		);
 
 		$data = array_merge(
diff --git a/includes/Traits/Amend_Check_Result.php b/includes/Traits/Amend_Check_Result.php
index 8da3ae64e..75d1ab071 100644
--- a/includes/Traits/Amend_Check_Result.php
+++ b/includes/Traits/Amend_Check_Result.php
@@ -23,24 +23,26 @@ trait Amend_Check_Result {
 	 *
 	 * @since 1.0.0
 	 *
-	 * @param Check_Result $result  The check result to amend, including the plugin context to check.
-	 * @param bool         $error   Whether it is an error or notice.
-	 * @param string       $message Error message.
-	 * @param string       $code    Error code.
-	 * @param string       $file    Absolute path to the file where the issue was found.
-	 * @param int          $line    The line on which the message occurred. Default is 0 (unknown line).
-	 * @param int          $column  The column on which the message occurred. Default is 0 (unknown column).
+	 * @param Check_Result $result    The check result to amend, including the plugin context to check.
+	 * @param bool         $error     Whether it is an error or notice.
+	 * @param string       $message   Error message.
+	 * @param string       $code      Error code.
+	 * @param string       $file      Absolute path to the file where the issue was found.
+	 * @param int          $line      The line on which the message occurred. Default is 0 (unknown line).
+	 * @param int          $column    The column on which the message occurred. Default is 0 (unknown column).
+	 * @param int          $severity  Severity level. Default is 5.
 	 */
-	protected function add_result_message_for_file( Check_Result $result, $error, $message, $code, $file, $line = 0, $column = 0 ) {
+	protected function add_result_message_for_file( Check_Result $result, $error, $message, $code, $file, $line = 0, $column = 0, $severity = 5 ) {
 		$result->add_message(
 			(bool) $error,
 			$message,
 			array(
-				'code'   => $code,
-				'file'   => str_replace( $result->plugin()->path(), '', $file ),
-				'line'   => $line,
-				'column' => $column,
-				'link'   => $this->get_file_editor_url( $result, $file, $line ),
+				'code'     => $code,
+				'file'     => str_replace( $result->plugin()->path(), '', $file ),
+				'line'     => $line,
+				'column'   => $column,
+				'link'     => $this->get_file_editor_url( $result, $file, $line ),
+				'severity' => $severity,
 			)
 		);
 	}
@@ -50,15 +52,16 @@ protected function add_result_message_for_file( Check_Result $result, $error, $m
 	 *
 	 * @since 1.0.0
 	 *
-	 * @param Check_Result $result  The check result to amend, including the plugin context to check.
-	 * @param string       $message Error message.
-	 * @param string       $code    Error code.
-	 * @param string       $file    Absolute path to the file where the error was found.
-	 * @param int          $line    The line on which the error occurred. Default is 0 (unknown line).
-	 * @param int          $column  The column on which the error occurred. Default is 0 (unknown column).
+	 * @param Check_Result $result    The check result to amend, including the plugin context to check.
+	 * @param string       $message   Error message.
+	 * @param string       $code      Error code.
+	 * @param string       $file      Absolute path to the file where the error was found.
+	 * @param int          $line      The line on which the error occurred. Default is 0 (unknown line).
+	 * @param int          $column    The column on which the error occurred. Default is 0 (unknown column).
+	 * @param int          $severity  Severity level. Default is 5.
 	 */
-	protected function add_result_error_for_file( Check_Result $result, $message, $code, $file, $line = 0, $column = 0 ) {
-		$this->add_result_message_for_file( $result, true, $message, $code, $file, $line, $column );
+	protected function add_result_error_for_file( Check_Result $result, $message, $code, $file, $line = 0, $column = 0, $severity = 5 ) {
+		$this->add_result_message_for_file( $result, true, $message, $code, $file, $line, $column, $severity );
 	}
 
 	/**
@@ -66,14 +69,15 @@ protected function add_result_error_for_file( Check_Result $result, $message, $c
 	 *
 	 * @since 1.0.0
 	 *
-	 * @param Check_Result $result  The check result to amend, including the plugin context to check.
-	 * @param string       $message Error message.
-	 * @param string       $code    Error code.
-	 * @param string       $file    Absolute path to the file where the warning was found.
-	 * @param int          $line    The line on which the warning occurred. Default is 0 (unknown line).
-	 * @param int          $column  The column on which the warning occurred. Default is 0 (unknown column).
+	 * @param Check_Result $result    The check result to amend, including the plugin context to check.
+	 * @param string       $message   Error message.
+	 * @param string       $code      Error code.
+	 * @param string       $file      Absolute path to the file where the warning was found.
+	 * @param int          $line      The line on which the warning occurred. Default is 0 (unknown line).
+	 * @param int          $column    The column on which the warning occurred. Default is 0 (unknown column).
+	 * @param int          $severity  Severity level. Default is 5.
 	 */
-	protected function add_result_warning_for_file( Check_Result $result, $message, $code, $file, $line = 0, $column = 0 ) {
-		$this->add_result_message_for_file( $result, false, $message, $code, $file, $line, $column );
+	protected function add_result_warning_for_file( Check_Result $result, $message, $code, $file, $line = 0, $column = 0, $severity = 5 ) {
+		$this->add_result_message_for_file( $result, false, $message, $code, $file, $line, $column, $severity );
 	}
 }
diff --git a/tests/phpunit/tests/Checker/Check_Result_Tests.php b/tests/phpunit/tests/Checker/Check_Result_Tests.php
index 98398307d..2bc623caa 100644
--- a/tests/phpunit/tests/Checker/Check_Result_Tests.php
+++ b/tests/phpunit/tests/Checker/Check_Result_Tests.php
@@ -57,9 +57,10 @@ public function test_add_message_with_warning() {
 
 		// Tests the warning exists in the array.
 		$expected = array(
-			'message' => 'Warning message',
-			'code'    => 'test_warning',
-			'link'    => '',
+			'message'  => 'Warning message',
+			'code'     => 'test_warning',
+			'link'     => '',
+			'severity' => 5,
 		);
 
 		$this->assertEquals( $expected, $warnings['test-plugin.php'][12][40][0] );
@@ -91,9 +92,10 @@ public function test_add_message_with_error() {
 
 		// Tests the error exists in the array.
 		$expected = array(
-			'message' => 'Error message',
-			'code'    => 'test_error',
-			'link'    => '',
+			'message'  => 'Error message',
+			'code'     => 'test_error',
+			'link'     => '',
+			'severity' => 5,
 		);
 
 		$this->assertEquals( $expected, $errors['test-plugin.php'][22][30][0] );
@@ -122,9 +124,10 @@ public function test_get_errors_with_errors() {
 
 		// Tests the error exists in the array.
 		$expected = array(
-			'message' => 'Error message',
-			'code'    => 'test_error',
-			'link'    => '',
+			'message'  => 'Error message',
+			'code'     => 'test_error',
+			'link'     => '',
+			'severity' => 5,
 		);
 
 		$this->assertEquals( $expected, $errors['test-plugin.php'][22][30][0] );
@@ -153,9 +156,10 @@ public function test_get_warnings_with_warnings() {
 
 		// Tests the warning exists in the array.
 		$expected = array(
-			'message' => 'Warning message',
-			'code'    => 'test_warning',
-			'link'    => '',
+			'message'  => 'Warning message',
+			'code'     => 'test_warning',
+			'link'     => '',
+			'severity' => 5,
 		);
 
 		$this->assertEquals( $expected, $warnings['test-plugin.php'][22][30][0] );