diff --git a/public/css/st-tailwind.css b/public/css/st-tailwind.css
index 44664ddfd..5edd3059d 100644
--- a/public/css/st-tailwind.css
+++ b/public/css/st-tailwind.css
@@ -360,6 +360,14 @@
     flex: 2 !important;
 }
 
+.flex3 {
+    flex: 3;
+}
+
+.flex4 {
+    flex: 4;
+}
+
 .flexFlowColumn {
     flex-flow: column;
 }
@@ -563,4 +571,4 @@ textarea:disabled {
     height: 30px;
     text-align: center;
     padding: 5px;
-}
\ No newline at end of file
+}
diff --git a/public/index.html b/public/index.html
index b94930655..b93346a79 100644
--- a/public/index.html
+++ b/public/index.html
@@ -5197,7 +5197,7 @@
                             </div>
                         </div>
                         <div class="flex-container wide100p flexGap10">
-                            <div class="flex1 flex-container flexFlowColumn flexNoGap">
+                            <div class="flex4 flex-container flexFlowColumn flexNoGap">
                                 <div class="flex-container justifySpaceBetween">
                                     <small for="characterFilter" data-i18n="Filter to Character(s)">
                                         Filter to Character(s)
@@ -5217,7 +5217,7 @@
                                     </select>
                                 </div>
                             </div>
-                            <div class="flex1 flex-container flexFlowColumn flexNoGap">
+                            <div class="flex3 flex-container flexFlowColumn flexNoGap">
                                 <div class="flex-container justifySpaceBetween">
                                     <small for="group" data-i18n="Inclusion Group">
                                         Inclusion Group
@@ -5239,6 +5239,16 @@
                                     <input type="text" class="text_pole margin0" name="group" rows="1" data-i18n="[placeholder]Only one entry with the same label will be activated" placeholder="Only one entry with the same label will be activated">
                                 </div>
                             </div>
+                            <div class="flex1 flex-container flexFlowColumn flexNoGap" data-i18n="[title]A relative likelihood of entry activation within the group" title="A relative likelihood of entry activation within the group">
+                                <div class="flex-container justifySpaceBetween marginBot5">
+                                    <small for="groupWeight" data-i18n="Group Weight">
+                                        Group Weight
+                                    </small>
+                                </div>
+                                <div class="range-block-range">
+                                    <input type="number" class="text_pole margin0" name="groupWeight" rows="1" placeholder="100" min="0" max="999999">
+                                </div>
+                            </div>
                         </div>
                         <div name="WIEntryBottomControls" class="flex-container flex1 justifySpaceBetween world_entry_form_horizontal">
                             <div class="flex-container flexFlowColumn flexNoGap  wi-enter-footer-text  ">
diff --git a/public/scripts/world-info.js b/public/scripts/world-info.js
index e8d15e984..5f1fb008f 100644
--- a/public/scripts/world-info.js
+++ b/public/scripts/world-info.js
@@ -74,6 +74,7 @@ const SORT_ORDER_KEY = 'world_info_sort_order';
 const METADATA_KEY = 'world_info';
 
 const DEFAULT_DEPTH = 4;
+const DEFAULT_WEIGHT = 100;
 const MAX_SCAN_DEPTH = 1000;
 
 /**
@@ -1093,6 +1094,7 @@ const originalDataKeyMap = {
     'automationId': 'extensions.automation_id',
     'vectorized': 'extensions.vectorized',
     'groupOverride': 'extensions.group_override',
+    'groupWeight': 'extensions.group_weight',
 };
 
 /** Checks the state of the current search, and adds/removes the search sorting option accordingly */
@@ -1466,11 +1468,24 @@ function getWorldEntry(name, data, entry) {
         const uid = $(this).data('uid');
         const value = $(this).prop('checked');
         data.entries[uid].groupOverride = value;
-        setOriginalDataValue(data, uid, 'extensions.groupOverride', data.entries[uid].groupOverride);
+        setOriginalDataValue(data, uid, 'extensions.group_override', data.entries[uid].groupOverride);
         saveWorldInfo(name, data);
     });
     groupOverrideInput.prop('checked', entry.groupOverride).trigger('input');
 
+    // group weight
+    const groupWeightInput = template.find('input[name="groupWeight"]');
+    groupWeightInput.data('uid', entry.uid);
+    groupWeightInput.on('input', function () {
+        const uid = $(this).data('uid');
+        const value = Number($(this).val());
+
+        data.entries[uid].groupWeight = !isNaN(value) ? Math.abs(value) : 0;
+        setOriginalDataValue(data, uid, 'extensions.group_weight', data.entries[uid].groupWeight);
+        saveWorldInfo(name, data);
+    });
+    groupWeightInput.val(entry.groupWeight).trigger('input');
+
     // probability
     if (entry.probability === undefined) {
         entry.probability = null;
@@ -1971,6 +1986,7 @@ const newEntryTemplate = {
     depth: DEFAULT_DEPTH,
     group: '',
     groupOverride: false,
+    groupWeight: DEFAULT_WEIGHT,
     scanDepth: null,
     caseSensitive: null,
     matchWholeWords: null,
@@ -2424,7 +2440,7 @@ async function checkWorldInfo(chat, maxContext) {
         for (const entry of newEntries) {
             const rollValue = Math.random() * 100;
 
-            if (!entry.group && entry.useProbability && rollValue > entry.probability) {
+            if (entry.useProbability && rollValue > entry.probability) {
                 console.debug(`WI entry ${entry.uid} ${entry.key} failed probability check, skipping`);
                 failedProbabilityChecks.add(entry);
                 continue;
@@ -2633,14 +2649,14 @@ function filterByInclusionGroups(newEntries, allActivatedEntries, buffer) {
             continue;
         }
 
-        // Do weighted random using probability of entry as weight
-        const totalWeight = group.reduce((acc, item) => acc + item.probability, 0);
+        // Do weighted random using entry's weight
+        const totalWeight = group.reduce((acc, item) => acc + (item.groupWeight ?? DEFAULT_WEIGHT), 0);
         const rollValue = Math.random() * totalWeight;
         let currentWeight = 0;
         let winner = null;
 
         for (const entry of group) {
-            currentWeight += entry.probability;
+            currentWeight += (entry.group_weight ?? DEFAULT_WEIGHT);
 
             if (rollValue <= currentWeight) {
                 console.debug(`Activated inclusion group '${key}' with roll winner entry '${entry.uid}'`, entry);
@@ -2684,6 +2700,7 @@ function convertAgnaiMemoryBook(inputObj) {
             useProbability: false,
             group: '',
             groupOverride: false,
+            groupWeight: DEFAULT_WEIGHT,
             scanDepth: null,
             caseSensitive: null,
             matchWholeWords: null,
@@ -2721,6 +2738,7 @@ function convertRisuLorebook(inputObj) {
             useProbability: entry.activationPercent ?? false,
             group: '',
             groupOverride: false,
+            groupWeight: DEFAULT_WEIGHT,
             scanDepth: null,
             caseSensitive: null,
             matchWholeWords: null,
@@ -2763,6 +2781,7 @@ function convertNovelLorebook(inputObj) {
             useProbability: false,
             group: '',
             groupOverride: false,
+            groupWeight: DEFAULT_WEIGHT,
             scanDepth: null,
             caseSensitive: null,
             matchWholeWords: null,
@@ -2806,6 +2825,7 @@ function convertCharacterBook(characterBook) {
             selectiveLogic: entry.extensions?.selectiveLogic ?? world_info_logic.AND_ANY,
             group: entry.extensions?.group ?? '',
             groupOverride: entry.extensions?.group_override ?? false,
+            groupWeight: entry.extensions?.group_weight ?? DEFAULT_WEIGHT,
             scanDepth: entry.extensions?.scan_depth ?? null,
             caseSensitive: entry.extensions?.case_sensitive ?? null,
             matchWholeWords: entry.extensions?.match_whole_words ?? null,
diff --git a/src/endpoints/characters.js b/src/endpoints/characters.js
index 52d5f8253..2e3171880 100644
--- a/src/endpoints/characters.js
+++ b/src/endpoints/characters.js
@@ -434,6 +434,7 @@ function convertWorldInfoToCharacterBook(name, entries) {
                 selectiveLogic: entry.selectiveLogic ?? 0,
                 group: entry.group ?? '',
                 group_override: entry.groupOverride ?? false,
+                group_weight: entry.groupWeight ?? null,
                 prevent_recursion: entry.preventRecursion ?? false,
                 scan_depth: entry.scanDepth ?? null,
                 match_whole_words: entry.matchWholeWords ?? null,