diff --git a/driveAtlas.sh b/driveAtlas.sh
index 9afa374..50ab63c 100644
--- a/driveAtlas.sh
+++ b/driveAtlas.sh
@@ -573,6 +573,14 @@ build_ceph_cache() {
     done < <(ceph osd tree 2>/dev/null)
 }
 
+# SMART warning thresholds
+readonly SMART_TEMP_WARN=50          # Temperature warning threshold (°C)
+readonly SMART_TEMP_CRIT=60          # Temperature critical threshold (°C)
+readonly SMART_REALLOCATED_WARN=1    # Reallocated sectors warning threshold
+readonly SMART_PENDING_WARN=1        # Pending sectors warning threshold
+readonly SMART_CRC_ERROR_WARN=100    # UDMA CRC error warning threshold
+readonly SMART_POWER_ON_HOURS_WARN=43800  # ~5 years of continuous use
+
 #------------------------------------------------------------------------------
 # get_drive_smart_info
 #
@@ -581,12 +589,13 @@ build_ceph_cache() {
 # Args:
 #   $1 - Device name (e.g., sda, nvme0n1)
 #
-# Returns: Pipe-delimited string: TYPE|TEMP|HEALTH|MODEL|SERIAL
+# Returns: Pipe-delimited string: TYPE|TEMP|HEALTH|MODEL|SERIAL|WARNINGS
 #   TYPE: SSD, HDD, or NVMe
 #   TEMP: Temperature in Celsius (or "-" if unavailable)
-#   HEALTH: ✓ for passed, ✗ for failed
+#   HEALTH: ✓ for passed, ✗ for failed, ⚠ for passed with warnings
 #   MODEL: Drive model string
 #   SERIAL: Drive serial number
+#   WARNINGS: Comma-separated warning codes (or empty)
 #------------------------------------------------------------------------------
 get_drive_smart_info() {
     local device="$1"
@@ -596,6 +605,7 @@ get_drive_smart_info() {
     local health="✗"
     local model="-"
     local serial="-"
+    local warnings=""
 
     smart_info="$(sudo smartctl -A -i -H "/dev/$device" 2>/dev/null)"
 
@@ -626,7 +636,7 @@ get_drive_smart_info() {
         type="SSD"
     fi
 
-    # Health status
+    # Health status (basic SMART check)
     if echo "$smart_info" | grep -q "SMART overall-health.*PASSED"; then
         health="✓"
     elif echo "$smart_info" | grep -q "SMART Health Status.*OK"; then
@@ -642,6 +652,55 @@ get_drive_smart_info() {
     serial="$(echo "$smart_info" | grep -E "^Serial [Nn]umber:" | head -1 | cut -d: -f2 | xargs)"
     [[ -z "$serial" ]] && serial="-"
 
+    # SMART threshold warnings - check for concerning values
+    local warn_list=()
+
+    # Temperature thresholds
+    if [[ -n "$temp" && "$temp" =~ ^[0-9]+$ ]]; then
+        if [[ "$temp" -ge "$SMART_TEMP_CRIT" ]]; then
+            warn_list+=("TEMP_CRIT")
+        elif [[ "$temp" -ge "$SMART_TEMP_WARN" ]]; then
+            warn_list+=("TEMP_WARN")
+        fi
+    fi
+
+    # Reallocated sectors (SMART attribute 5)
+    local reallocated
+    reallocated="$(echo "$smart_info" | grep -E "^\s*5\s+Reallocated_Sector" | awk '{print $NF}')"
+    if [[ -n "$reallocated" && "$reallocated" =~ ^[0-9]+$ && "$reallocated" -ge "$SMART_REALLOCATED_WARN" ]]; then
+        warn_list+=("REALLOC:$reallocated")
+    fi
+
+    # Current pending sectors (SMART attribute 197)
+    local pending
+    pending="$(echo "$smart_info" | grep -E "^\s*197\s+Current_Pending" | awk '{print $NF}')"
+    if [[ -n "$pending" && "$pending" =~ ^[0-9]+$ && "$pending" -ge "$SMART_PENDING_WARN" ]]; then
+        warn_list+=("PENDING:$pending")
+    fi
+
+    # UDMA CRC errors (SMART attribute 199)
+    local crc_errors
+    crc_errors="$(echo "$smart_info" | grep -E "^\s*199\s+UDMA_CRC_Error" | awk '{print $NF}')"
+    if [[ -n "$crc_errors" && "$crc_errors" =~ ^[0-9]+$ && "$crc_errors" -ge "$SMART_CRC_ERROR_WARN" ]]; then
+        warn_list+=("CRC:$crc_errors")
+    fi
+
+    # Power-on hours (SMART attribute 9)
+    local power_hours
+    power_hours="$(echo "$smart_info" | grep -E "^\s*9\s+Power_On_Hours" | awk '{print $NF}')"
+    if [[ -n "$power_hours" && "$power_hours" =~ ^[0-9]+$ && "$power_hours" -ge "$SMART_POWER_ON_HOURS_WARN" ]]; then
+        warn_list+=("HOURS:$power_hours")
+    fi
+
+    # Join warnings
+    if [[ ${#warn_list[@]} -gt 0 ]]; then
+        warnings="$(IFS=','; echo "${warn_list[*]}")"
+        # Change health indicator to warning if SMART passed but has warnings
+        if [[ "$health" == "✓" ]]; then
+            health="⚠"
+        fi
+    fi
+
     # Format temperature with unit if we have a value
     local temp_display
     if [[ -n "$temp" && "$temp" != "-" ]]; then
@@ -650,7 +709,7 @@ get_drive_smart_info() {
         temp_display="-"
     fi
 
-    echo "${type}|${temp_display}|${health}|${model}|${serial}"
+    echo "${type}|${temp_display}|${health}|${model}|${serial}|${warnings}"
 }
 
 #------------------------------------------------------------------------------
@@ -692,11 +751,11 @@ fi
 printf "\n"
 echo -e "$(colorize_header '=== Drive Details with SMART Status (by Bay Position) ===')"
 if [[ "$SHOW_PCI" == true ]]; then
-    printf "%-5s %-15s %-10s %-8s %-8s %-8s %-30s %-20s %-12s %-10s %-10s %-40s\n" "BAY" "DEVICE" "SIZE" "TYPE" "TEMP" "HEALTH" "MODEL" "SERIAL" "CEPH OSD" "STATUS" "USAGE" "PCI PATH"
-    echo "------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
+    printf "%-5s %-15s %-10s %-8s %-8s %-8s %-30s %-20s %-12s %-10s %-10s %-30s %-40s\n" "BAY" "DEVICE" "SIZE" "TYPE" "TEMP" "HEALTH" "MODEL" "SERIAL" "CEPH OSD" "STATUS" "USAGE" "WARNINGS" "PCI PATH"
+    echo "----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
 else
-    printf "%-5s %-15s %-10s %-8s %-8s %-8s %-30s %-20s %-12s %-10s %-10s\n" "BAY" "DEVICE" "SIZE" "TYPE" "TEMP" "HEALTH" "MODEL" "SERIAL" "CEPH OSD" "STATUS" "USAGE"
-    echo "----------------------------------------------------------------------------------------------------------------------------------------------------"
+    printf "%-5s %-15s %-10s %-8s %-8s %-8s %-30s %-20s %-12s %-10s %-10s %-30s\n" "BAY" "DEVICE" "SIZE" "TYPE" "TEMP" "HEALTH" "MODEL" "SERIAL" "CEPH OSD" "STATUS" "USAGE" "WARNINGS"
+    echo "----------------------------------------------------------------------------------------------------------------------------------------------------------------------"
 fi
 
 # Build reverse map: device -> bay
@@ -723,9 +782,10 @@ for bay in $all_bays; do
             health="-"
             model="-"
             serial="-"
+            warnings=""
         else
             smart_info="$(get_drive_smart_info "$device")"
-            IFS='|' read -r type temp health model serial <<< "$smart_info"
+            IFS='|' read -r type temp health model serial warnings <<< "$smart_info"
         fi
 
         # Check for Ceph OSD using cached data
@@ -766,11 +826,17 @@ for bay in $all_bays; do
         colored_temp="$(colorize_temp "$temp")"
         colored_health="$(colorize_health "$health")"
 
+        # Colorize warnings if present
+        local colored_warnings="${warnings:--}"
+        if [[ "$USE_COLOR" == true && -n "$warnings" ]]; then
+            colored_warnings="${COLOR_YELLOW}${warnings}${COLOR_RESET}"
+        fi
+
         if [[ "$SHOW_PCI" == true ]]; then
             pci_path="${BAY_TO_PCI_PATH[$bay]:-}"
-            printf "%-5s %-15s %-10s %-8s %-8b %-8b %-30s %-20s %-12s %-10s %-10s %-40s\n" "$bay" "/dev/$device" "$size" "$type" "$colored_temp" "$colored_health" "$model" "$serial" "$osd_id" "$ceph_status" "$usage" "$pci_path"
+            printf "%-5s %-15s %-10s %-8s %-8b %-8b %-30s %-20s %-12s %-10s %-10s %-30b %-40s\n" "$bay" "/dev/$device" "$size" "$type" "$colored_temp" "$colored_health" "$model" "$serial" "$osd_id" "$ceph_status" "$usage" "$colored_warnings" "$pci_path"
         else
-            printf "%-5s %-15s %-10s %-8s %-8b %-8b %-30s %-20s %-12s %-10s %-10s\n" "$bay" "/dev/$device" "$size" "$type" "$colored_temp" "$colored_health" "$model" "$serial" "$osd_id" "$ceph_status" "$usage"
+            printf "%-5s %-15s %-10s %-8s %-8b %-8b %-30s %-20s %-12s %-10s %-10s %-30b\n" "$bay" "/dev/$device" "$size" "$type" "$colored_temp" "$colored_health" "$model" "$serial" "$osd_id" "$ceph_status" "$usage" "$colored_warnings"
         fi
     fi
 done