diff --git a/warn/utils.py b/warn/utils.py
index b77259c1..e3cace90 100644
--- a/warn/utils.py
+++ b/warn/utils.py
@@ -23,6 +23,10 @@
 WARN_DATA_DIR = WARN_OUTPUT_DIR / "exports"
 WARN_LOG_DIR = WARN_OUTPUT_DIR / "logs"
 
+# Ensure needed directories exist
+for localdir in [WARN_CACHE_DIR, WARN_DATA_DIR, WARN_LOG_DIR]:
+    os.makedirs(localdir, exist_ok=True)
+
 
 def write_rows_to_csv(rows, output_path, mode="w"):
     """