diff --git a/static/app/views/dashboards/types.tsx b/static/app/views/dashboards/types.tsx
index d4f4ba45f8589b..2f0298193fbf46 100644
--- a/static/app/views/dashboards/types.tsx
+++ b/static/app/views/dashboards/types.tsx
@@ -94,11 +94,24 @@ export type WidgetQuery = {
   selectedAggregate?: number;
 };
 
+type WidgetChangedReason = {
+  equations: Array<{
+    equation: string;
+    reason: string | string[];
+  }> | null;
+  orderby: Array<{
+    orderby: string;
+    reason: string;
+  }> | null;
+  selected_columns: string[];
+};
+
 export type Widget = {
   displayType: DisplayType;
   interval: string;
   queries: WidgetQuery[];
   title: string;
+  changedReason?: WidgetChangedReason[];
   dashboardId?: string;
   datasetSource?: DatasetSource;
   description?: string;
diff --git a/static/app/views/dashboards/widgetCard/index.tsx b/static/app/views/dashboards/widgetCard/index.tsx
index d678fde93d631d..718ed5deff7078 100644
--- a/static/app/views/dashboards/widgetCard/index.tsx
+++ b/static/app/views/dashboards/widgetCard/index.tsx
@@ -47,6 +47,7 @@ import {WidgetViewerContext} from 'sentry/views/dashboards/widgetViewer/widgetVi
 import {useDashboardsMEPContext} from './dashboardsMEPContext';
 import {
   getMenuOptions,
+  useDroppedColumnsWarning,
   useIndexedEventsWarning,
   useTransactionsDeprecationWarning,
 } from './widgetCardContextMenu';
@@ -195,6 +196,7 @@ function WidgetCard(props: Props) {
     widget,
     selection,
   });
+  const droppedColumnsWarning = useDroppedColumnsWarning(widget);
   const sessionDurationWarning = hasSessionDuration ? SESSION_DURATION_ALERT_TEXT : null;
   const spanTimeRangeWarning = useTimeRangeWarning({widget});
 
@@ -266,6 +268,7 @@ function WidgetCard(props: Props) {
     sessionDurationWarning,
     spanTimeRangeWarning,
     transactionsDeprecationWarning,
+    droppedColumnsWarning,
   ].filter(Boolean) as string[];
 
   const actionsDisabled = Boolean(props.isPreview);
diff --git a/static/app/views/dashboards/widgetCard/widgetCardContextMenu.tsx b/static/app/views/dashboards/widgetCard/widgetCardContextMenu.tsx
index 561b2e1b21a825..cba09e92566b0a 100644
--- a/static/app/views/dashboards/widgetCard/widgetCardContextMenu.tsx
+++ b/static/app/views/dashboards/widgetCard/widgetCardContextMenu.tsx
@@ -1,4 +1,5 @@
 import {useMemo} from 'react';
+import styled from '@emotion/styled';
 import type {Location} from 'history';
 import qs from 'query-string';
 
@@ -8,6 +9,7 @@ import {
 } from 'sentry/actionCreators/modal';
 import {openConfirmModal} from 'sentry/components/confirm';
 import {Link} from 'sentry/components/core/link';
+import {Text} from 'sentry/components/core/text';
 import type {MenuItemProps} from 'sentry/components/dropdownMenu';
 import {t, tct} from 'sentry/locale';
 import type {PageFilters} from 'sentry/types/core';
@@ -106,6 +108,70 @@ const createExploreUrl = (
   return getExploreUrl({organization, selection, ...queryParams});
 };
 
+export const useDroppedColumnsWarning = (widget: Widget): React.JSX.Element | null => {
+  if (!widget.changedReason) {
+    return null;
+  }
+
+  const baseWarning = t(
+    "This widget may look different from its original query. Here's why:"
+  );
+  const columnsWarning = [];
+  const equationsWarning = [];
+  const orderbyWarning = [];
+  for (const changedReason of widget.changedReason) {
+    if (changedReason.selected_columns.length > 0) {
+      columnsWarning.push(
+        tct(`The following fields were dropped: [columns].`, {
+          columns: changedReason.selected_columns.join(', '),
+        })
+      );
+    }
+    if (changedReason.equations) {
+      equationsWarning.push(
+        ...changedReason.equations.map(equation =>
+          tct(`[equation] was dropped because [reason] is unsupported.`, {
+            equation: equation.equation,
+            reason:
+              typeof equation.reason === 'string'
+                ? equation.reason
+                : equation.reason.join(', '),
+          })
+        )
+      );
+    }
+    if (changedReason.orderby) {
+      orderbyWarning.push(
+        ...changedReason.orderby.map(equation =>
+          tct(`[orderby] was dropped because [reason].`, {
+            orderby: equation.orderby,
+            reason: equation.reason,
+          })
+        )
+      );
+    }
+  }
+
+  const allWarnings = [...columnsWarning, ...equationsWarning, ...orderbyWarning];
+
+  if (allWarnings.length > 0) {
+    return (
+      <div style={{alignContent: 'flex-start'}}>
+        <StyledText as="p">{baseWarning}</StyledText>
+        {allWarnings.map((warning, index) => (
+          <StyledText key={index}>{warning}</StyledText>
+        ))}
+      </div>
+    );
+  }
+
+  return null;
+};
+
+const StyledText = styled(Text)`
+  padding-bottom: ${p => p.theme.space.xs};
+`;
+
 export function getMenuOptions(
   dashboardFilters: DashboardFilters | undefined,
   organization: Organization,
diff --git a/static/app/views/explore/hooks/useGetSavedQueries.tsx b/static/app/views/explore/hooks/useGetSavedQueries.tsx
index ba4a2696bf90e8..c6c54b6acefe19 100644
--- a/static/app/views/explore/hooks/useGetSavedQueries.tsx
+++ b/static/app/views/explore/hooks/useGetSavedQueries.tsx
@@ -6,6 +6,7 @@ import {defined} from 'sentry/utils';
 import {useApiQuery, useQueryClient} from 'sentry/utils/queryClient';
 import useOrganization from 'sentry/utils/useOrganization';
 import type {Mode} from 'sentry/views/explore/contexts/pageParamsContext/mode';
+import type {ExploreQueryChangedReason} from 'sentry/views/explore/hooks/useSaveQuery';
 import {TraceItemDataset} from 'sentry/views/explore/types';
 
 export type RawGroupBy = {
@@ -100,6 +101,7 @@ type ReadableSavedQuery = {
   projects: number[];
   query: [ReadableQuery, ...ReadableQuery[]];
   starred: boolean;
+  changedReason?: ExploreQueryChangedReason | null;
   createdBy?: User;
   end?: string;
   environment?: string[];
@@ -120,6 +122,7 @@ export class SavedQuery {
   query: [SavedQueryQuery, ...SavedQueryQuery[]];
   dataset: ReadableSavedQuery['dataset'];
   starred: boolean;
+  changedReason?: ExploreQueryChangedReason | null;
   createdBy?: User;
   end?: string | DateString;
   environment?: string[];
@@ -128,6 +131,7 @@ export class SavedQuery {
   start?: string | DateString;
 
   constructor(savedQuery: ReadableSavedQuery) {
+    this.changedReason = savedQuery.changedReason;
     this.dateAdded = savedQuery.dateAdded;
     this.dateUpdated = savedQuery.dateUpdated;
     this.id = savedQuery.id;
diff --git a/static/app/views/explore/hooks/useSaveQuery.tsx b/static/app/views/explore/hooks/useSaveQuery.tsx
index 7f49987bd96456..4eda739f9a6ca4 100644
--- a/static/app/views/explore/hooks/useSaveQuery.tsx
+++ b/static/app/views/explore/hooks/useSaveQuery.tsx
@@ -22,11 +22,24 @@ import {isGroupBy} from 'sentry/views/explore/queryParams/groupBy';
 import type {ReadableQueryParams} from 'sentry/views/explore/queryParams/readableQueryParams';
 import {isVisualize} from 'sentry/views/explore/queryParams/visualize';
 
+export type ExploreQueryChangedReason = {
+  columns: string[];
+  equations: Array<{
+    equation: string;
+    reason: string | string[];
+  }> | null;
+  orderby: Array<{
+    orderby: string;
+    reason: string;
+  }> | null;
+};
+
 // Request payload type that matches the backend ExploreSavedQuerySerializer
 type ExploreSavedQueryRequest = {
   dataset: 'logs' | 'spans' | 'segment_spans';
   name: string;
   projects: number[];
+  changedReason?: ExploreQueryChangedReason;
   end?: DateString;
   environment?: string[];
   interval?: string;
diff --git a/static/app/views/explore/spans/droppedFieldsAlert.tsx b/static/app/views/explore/spans/droppedFieldsAlert.tsx
new file mode 100644
index 00000000000000..b3fb4b9863a89b
--- /dev/null
+++ b/static/app/views/explore/spans/droppedFieldsAlert.tsx
@@ -0,0 +1,86 @@
+import styled from '@emotion/styled';
+
+import {Alert} from 'sentry/components/core/alert';
+import {Text} from 'sentry/components/core/text';
+import List from 'sentry/components/list';
+import ListItem from 'sentry/components/list/listItem';
+import {t, tct} from 'sentry/locale';
+import {useExploreId} from 'sentry/views/explore/contexts/pageParamsContext';
+import {useGetSavedQuery} from 'sentry/views/explore/hooks/useGetSavedQueries';
+
+export function DroppedFieldsAlert(): React.JSX.Element | null {
+  const id = useExploreId();
+  const {data: savedQuery} = useGetSavedQuery(id);
+
+  if (!savedQuery) {
+    return null;
+  }
+
+  if (!savedQuery.changedReason) {
+    return null;
+  }
+
+  const baseWarning = t(
+    "This query may look different from the original query. Here's why:"
+  );
+  const columnsWarning = [];
+  const equationsWarning = [];
+  const orderbyWarning = [];
+
+  const changedReason = savedQuery.changedReason;
+  if (changedReason.columns.length > 0) {
+    columnsWarning.push(
+      tct(`The following fields were dropped: [columns]`, {
+        columns: changedReason.columns.join(', '),
+      })
+    );
+  }
+  if (changedReason.equations) {
+    equationsWarning.push(
+      ...changedReason.equations.map(equation =>
+        tct(`[equation] was dropped because [reason] is unsupported`, {
+          equation: equation.equation,
+          reason:
+            typeof equation.reason === 'string'
+              ? equation.reason
+              : equation.reason.join(', '),
+        })
+      )
+    );
+  }
+  if (changedReason.orderby) {
+    orderbyWarning.push(
+      ...changedReason.orderby.map(equation =>
+        tct(`[orderby] was dropped because [reason]`, {
+          orderby: equation.orderby,
+          reason: equation.reason,
+        })
+      )
+    );
+  }
+
+  const allWarnings = [...columnsWarning, ...equationsWarning, ...orderbyWarning];
+
+  if (allWarnings.length > 0) {
+    return (
+      <StyledAlert type="warning">
+        <StyledText as="p">{baseWarning}</StyledText>
+        <List symbol="bullet">
+          {allWarnings.map((warning, index) => (
+            <ListItem key={index}>{warning}</ListItem>
+          ))}
+        </List>
+      </StyledAlert>
+    );
+  }
+
+  return null;
+}
+
+const StyledText = styled(Text)`
+  padding-bottom: ${p => p.theme.space.xs};
+`;
+
+const StyledAlert = styled(Alert)`
+  margin-bottom: ${p => p.theme.space.md};
+`;
diff --git a/static/app/views/explore/spans/spansTab.tsx b/static/app/views/explore/spans/spansTab.tsx
index b9acdbbf2dd425..5c6466a9049b2f 100644
--- a/static/app/views/explore/spans/spansTab.tsx
+++ b/static/app/views/explore/spans/spansTab.tsx
@@ -67,6 +67,7 @@ import {
   useSetQueryParamsVisualizes,
 } from 'sentry/views/explore/queryParams/context';
 import {ExploreCharts} from 'sentry/views/explore/spans/charts';
+import {DroppedFieldsAlert} from 'sentry/views/explore/spans/droppedFieldsAlert';
 import {ExtrapolationEnabledAlert} from 'sentry/views/explore/spans/extrapolationEnabledAlert';
 import {SettingsDropdown} from 'sentry/views/explore/spans/settingsDropdown';
 import {SpansExport} from 'sentry/views/explore/spans/spansExport';
@@ -369,6 +370,7 @@ function SpanTabContentSection({
   const visualizes = useQueryParamsVisualizes();
   const setVisualizes = useSetQueryParamsVisualizes();
   const extrapolate = useQueryParamsExtrapolate();
+  const id = useExploreId();
   const [tab, setTab] = useTab();
   const [caseInsensitive] = useCaseInsensitivity();
 
@@ -487,6 +489,7 @@ function SpanTabContentSection({
           <SettingsDropdown />
         </ActionButtonsGroup>
       </OverChartButtonGroup>
+      {defined(id) && <DroppedFieldsAlert />}
       {!resultsLoading && !hasResults && (
         <QuotaExceededAlert referrer="spans-explore" traceItemDataset="spans" />
       )}