diff --git a/.codeclimate.yml b/.codeclimate.yml
index 0cb746cd605..680d017144d 100644
--- a/.codeclimate.yml
+++ b/.codeclimate.yml
@@ -40,8 +40,7 @@ plugins:
 
 exclude_patterns:
 - "src/metpy/io/_nexrad_msgs/msg*.py"
-- "src/metpy/io/metar_parse.peg"
-- "src/metpy/io/metar_parser.py"
+- "src/metpy/io/_metar_parser/*"
 - "docs/**/*"
 - "staticdata/**/*"
 - "tests/*/baseline/*"
diff --git a/.github/codeql/codeql-config.yml b/.github/codeql/codeql-config.yml
index 6e53bfa7c05..40e7750dd02 100644
--- a/.github/codeql/codeql-config.yml
+++ b/.github/codeql/codeql-config.yml
@@ -4,6 +4,6 @@ queries:
   - uses: security-and-quality
 
 paths-ignore:
-  - src/metpy/io/metar_parser.py
+  - src/metpy/io/_metar_parser
   - tutorials
   - examples
diff --git a/.lgtm.yml b/.lgtm.yml
index 0e1f391053d..52615ab668b 100644
--- a/.lgtm.yml
+++ b/.lgtm.yml
@@ -1,6 +1,6 @@
 path_classifiers:
     generated:
-        - src/metpy/io/metar_parser.py
+        - src/metpy/io/_metar_parser/metar_parser.py
     library:
         - src/metpy/deprecation.py
     test:
diff --git a/setup.cfg b/setup.cfg
index 642a869c1b3..f9a4d9ff56b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -79,7 +79,7 @@ multiline-quotes = double
 rst-roles = class, data, doc, func, meth, mod
 rst-directives = plot, versionchanged
 docstring-convention = numpy
-exclude = docs build src/metpy/io/metar_parser.py
+exclude = docs build src/metpy/io/_metar_parser/metar_parser.py
 select = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z B902
 ignore = F405 W503 RST902 SIM106
 per-file-ignores = examples/*.py: D MPY001 T003 T001
diff --git a/src/metpy/io/metar_parser.peg b/src/metpy/io/_metar_parser/metar_parser.peg
similarity index 100%
rename from src/metpy/io/metar_parser.peg
rename to src/metpy/io/_metar_parser/metar_parser.peg
diff --git a/src/metpy/io/metar_parser.py b/src/metpy/io/_metar_parser/metar_parser.py
similarity index 100%
rename from src/metpy/io/metar_parser.py
rename to src/metpy/io/_metar_parser/metar_parser.py
diff --git a/src/metpy/io/metar.py b/src/metpy/io/metar.py
index 83deaa53d7e..8ab8bb1c50e 100644
--- a/src/metpy/io/metar.py
+++ b/src/metpy/io/metar.py
@@ -10,8 +10,8 @@
 import numpy as np
 import pandas as pd
 
+from ._metar_parser.metar_parser import parse, ParseError
 from ._tools import open_as_needed
-from .metar_parser import parse, ParseError
 from .station_data import station_info
 from ..package_tools import Exporter
 from ..units import units