diff --git a/check_nightly_success/check-nightly-success/action.yaml b/check_nightly_success/check-nightly-success/action.yaml
index 4c149b7a..a0315aff 100644
--- a/check_nightly_success/check-nightly-success/action.yaml
+++ b/check_nightly_success/check-nightly-success/action.yaml
@@ -22,6 +22,11 @@ inputs:
     description: "The number of consecutive days that may go by without a successful CI run"
     required: true
     type: integer
+  temp-extension-expires:
+    description: "Last day after which a temporary extension expires (YYYY-MM-DD)."
+    required: false
+    default: ""
+    type: string
 
 runs:
   using: composite
@@ -33,7 +38,12 @@ runs:
         TARGET_BRANCH: ${{ inputs.target-branch }}
         WORKFLOW_ID: ${{ inputs.workflow-id }}
         MAX_DAYS_WITHOUT_SUCCESS: ${{ inputs.max-days-without-success }}
+        TEMP_EXTENSION_EXPIRES: ${{ inputs.temp-extension-expires }}
       run: |
+          temp_extension_args=()
+          if [[ -n "${TEMP_EXTENSION_EXPIRES}" ]]; then
+            temp_extension_args=(--temp-extension-expires "${TEMP_EXTENSION_EXPIRES}")
+          fi
           python -m pip install \
             --prefer-binary \
             'requests>=2.32.4'
@@ -41,4 +51,5 @@ runs:
             --repo ${REPO} \
             --branch ${TARGET_BRANCH} \
             --workflow-id ${WORKFLOW_ID} \
-            --max-days-without-success ${MAX_DAYS_WITHOUT_SUCCESS}
+            --max-days-without-success ${MAX_DAYS_WITHOUT_SUCCESS} \
+            "${temp_extension_args[@]}"
diff --git a/check_nightly_success/check-nightly-success/check.py b/check_nightly_success/check-nightly-success/check.py
index 41fd570d..819e21c5 100644
--- a/check_nightly_success/check-nightly-success/check.py
+++ b/check_nightly_success/check-nightly-success/check.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024-2026, NVIDIA CORPORATION.
+# Copyright (c) 2024-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 
 """Check whether a GHA workflow has run successfully in the last N days."""
 
@@ -6,7 +6,7 @@
 import os
 import sys
 from dataclasses import dataclass
-from datetime import datetime, timedelta, timezone
+from datetime import date, datetime, timedelta, timezone
 
 import requests
 from requests.adapters import HTTPAdapter
@@ -155,6 +155,7 @@ def main(
     request_page_size: int,
     request_timeout_seconds: float,
     retry_backoff_seconds: float,
+    temp_extension_expires: date | None,
 ) -> int:
     """Check whether a GHA workflow has run successfully in the last N days.
 
@@ -171,7 +172,14 @@ def main(
     # Dealing with day-precision date-times makes filtering in the GitHub API simpler, see
     # https://docs.github.com/en/search-github/getting-started-with-searching-on-github/understanding-the-search-syntax#query-for-dates
     #
-    oldest_date_to_pull = datetime.now(timezone.utc) - timedelta(days=max_days_without_success)
+    now = datetime.now(timezone.utc)
+    if temp_extension_expires is not None:
+        if now.date() <= temp_extension_expires:
+            print(f"There is a temporary extension until the end of {temp_extension_expires}.")
+            return ExitCode.SUCCESS
+        print(f"A temporary extension expired on {temp_extension_expires}.")
+
+    oldest_date_to_pull = now - timedelta(days=max_days_without_success)
 
     # get all the matching runs
     client = GitHubClient(
@@ -303,6 +311,13 @@ def main(
         required=False,
         help="Number of responses per page of data. Decrease this to reduce memory usage.",
     )
+    parser.add_argument(
+        "--temp-extension-expires",
+        type=date.fromisoformat,
+        default=None,
+        required=False,
+        help="Last day after which a temporary extension expires (YYYY-MM-DD).",
+    )
     args = parser.parse_args()
 
     sys.exit(
@@ -315,5 +330,6 @@ def main(
             request_page_size=args.request_page_size,
             request_timeout_seconds=10,
             retry_backoff_seconds=0.5,
+            temp_extension_expires=args.temp_extension_expires,
         ),
     )
diff --git a/check_nightly_success/dispatch/action.yml b/check_nightly_success/dispatch/action.yml
index 852c0c5d..61d24d05 100644
--- a/check_nightly_success/dispatch/action.yml
+++ b/check_nightly_success/dispatch/action.yml
@@ -21,6 +21,11 @@ inputs:
     required: false
     default: 7
     type: integer
+  temp-extension-expires:
+    description: "Last day after which a temporary extension expires (YYYY-MM-DD)."
+    required: false
+    default: ""
+    type: string
 
 runs:
   using: 'composite'
@@ -39,3 +44,4 @@ runs:
         target-branch: ${{ inputs.target-branch }}
         workflow-id: ${{ inputs.workflow-id }}
         max-days-without-success: ${{ inputs.max-days-without-success }}
+        temp-extension-expires: ${{ inputs.temp-extension-expires }}