diff --git a/components/AvalancheForecastZoneMap.tsx b/components/AvalancheForecastZoneMap.tsx
index 59ba3169..99f14e25 100644
--- a/components/AvalancheForecastZoneMap.tsx
+++ b/components/AvalancheForecastZoneMap.tsx
@@ -38,7 +38,7 @@ export interface MapProps {
 
 export const AvalancheForecastZoneMap: React.FunctionComponent<MapProps> = ({center, requestedTime}: MapProps) => {
   const {logger} = React.useContext<LoggerProps>(LoggerContext);
-  const mapLayerResult = useMapLayer(center);
+  const mapLayerResult = useMapLayer(center, requestedTime);
   const mapLayer = mapLayerResult.data;
   const metadataResult = useAvalancheCenterMetadata(center);
   const metadata = metadataResult.data;
diff --git a/components/forecast/WeatherTab.tsx b/components/forecast/WeatherTab.tsx
index 20049a5f..7d4c562b 100644
--- a/components/forecast/WeatherTab.tsx
+++ b/components/forecast/WeatherTab.tsx
@@ -151,7 +151,7 @@ export const NWACWeatherTab: React.FC<WeatherTabProps> = ({zone, center_id, requ
   const metadata = avalancheCenterMetadataResult.data;
   const nwacForecastResult = useNWACWeatherForecast(center_id, zone.id, requestedTime);
   const nwacForecast = nwacForecastResult.data;
-  const mapLayerResult = useMapLayer(center_id);
+  const mapLayerResult = useMapLayer(center_id, requestedTime);
   const mapLayer = mapLayerResult.data;
   const weatherStationsResult = useWeatherStationsMetadata(center_id, metadata?.widget_config.stations?.token);
   const weatherStations = weatherStationsResult.data;
diff --git a/components/form/LocationField.tsx b/components/form/LocationField.tsx
index 24a51f96..8c71ce5b 100644
--- a/components/form/LocationField.tsx
+++ b/components/form/LocationField.tsx
@@ -14,25 +14,27 @@ import MapView, {LatLng, MapMarker, Region} from 'react-native-maps';
 import {SafeAreaProvider, SafeAreaView} from 'react-native-safe-area-context';
 import {colorLookup} from 'theme';
 import {AvalancheCenterID} from 'types/nationalAvalancheCenter';
+import {RequestedTime} from 'utils/date';
 
 interface LocationFieldProps {
   name: KeysMatching<ObservationFormData, LocationPoint>;
   label: string;
   center: AvalancheCenterID;
   disabled?: boolean;
+  requestedTime: RequestedTime;
 }
 
 const latLngToLocationPoint = (latLng: LatLng) => ({lat: latLng.latitude, lng: latLng.longitude});
 const locationPointToLatLng = (locationPoint: LocationPoint) => ({latitude: locationPoint.lat, longitude: locationPoint.lng});
 
-export const LocationField = React.forwardRef<RNView, LocationFieldProps>(({name, label, center, disabled}, ref) => {
+export const LocationField = React.forwardRef<RNView, LocationFieldProps>(({name, label, center, disabled, requestedTime}, ref) => {
   const {
     field,
     fieldState: {error},
   } = useController<ObservationFormData>({name: name});
   const [modalVisible, setModalVisible] = useState(false);
 
-  const mapLayerResult = useMapLayer(center);
+  const mapLayerResult = useMapLayer(center, requestedTime);
   const mapLayer = mapLayerResult.data;
   const [initialRegion, setInitialRegion] = useState<Region>(defaultMapRegionForZones([]));
   const [mapReady, setMapReady] = useState<boolean>(false);
diff --git a/components/observations/ObservationDetailView.tsx b/components/observations/ObservationDetailView.tsx
index e2c4a1cd..0860f4dc 100644
--- a/components/observations/ObservationDetailView.tsx
+++ b/components/observations/ObservationDetailView.tsx
@@ -50,14 +50,14 @@ import {
   SnowAvailableForTransport,
   WindLoading,
 } from 'types/nationalAvalancheCenter';
-import {pacificDateToLocalShortDateString, utcDateToLocalShortDateString, utcDateToLocalTimeString} from 'utils/date';
+import {pacificDateToLocalShortDateString, parseRequestedTimeString, utcDateToLocalShortDateString, utcDateToLocalTimeString} from 'utils/date';
 
 export const NWACObservationDetailView: React.FunctionComponent<{
   id: string;
 }> = ({id}) => {
   const observationResult = useNWACObservation(parseInt(id));
   const observation = observationResult.data;
-  const mapResult = useMapLayer(observation?.center_id);
+  const mapResult = useMapLayer(observation?.center_id, observation?.created_at ? parseRequestedTimeString(observation?.created_at) : undefined);
   const mapLayer = mapResult.data;
 
   if (incompleteQueryState(observationResult, mapResult) || !observation || !mapLayer) {
@@ -72,7 +72,10 @@ export const ObservationDetailView: React.FunctionComponent<{
 }> = ({id}) => {
   const observationResult = useNACObservation(id);
   const observation = observationResult.data;
-  const mapResult = useMapLayer(observation?.center_id?.toUpperCase() as AvalancheCenterID);
+  const mapResult = useMapLayer(
+    observation?.center_id?.toUpperCase() as AvalancheCenterID,
+    observation?.created_at ? parseRequestedTimeString(observation?.created_at) : undefined,
+  );
   const mapLayer = mapResult.data;
 
   if (incompleteQueryState(observationResult, mapResult) || !observation || !mapLayer) {
diff --git a/components/observations/ObservationsListView.tsx b/components/observations/ObservationsListView.tsx
index c0e2a1d4..487461d7 100644
--- a/components/observations/ObservationsListView.tsx
+++ b/components/observations/ObservationsListView.tsx
@@ -38,7 +38,7 @@ import {
 import {ObservationsStackNavigationProps} from 'routes';
 import {colorLookup} from 'theme';
 import {AvalancheCenterID, DangerLevel, MediaType, ObservationFragment, PartnerType} from 'types/nationalAvalancheCenter';
-import {RequestedTime, pacificDateToLocalDateString, requestedTimeToUTCDate} from 'utils/date';
+import {RequestedTime, formatRequestedTime, pacificDateToLocalDateString, requestedTimeToUTCDate} from 'utils/date';
 
 interface ObservationsListViewItem {
   id: ObservationFragment['id'];
@@ -70,7 +70,7 @@ export const ObservationsListView: React.FunctionComponent<ObservationsListViewP
   const originalFilterConfig: ObservationFilterConfig = useMemo(() => createDefaultFilterConfig(requestedTime, additionalFilters), [requestedTime, additionalFilters]);
   const [filterConfig, setFilterConfig] = useState<ObservationFilterConfig>(originalFilterConfig);
   const [filterModalVisible, {set: setFilterModalVisible, on: showFilterModal}] = useToggle(false);
-  const mapResult = useMapLayer(center_id);
+  const mapResult = useMapLayer(center_id, requestedTime);
   const mapLayer = mapResult.data;
 
   const postHog = usePostHog();
@@ -220,8 +220,8 @@ export const ObservationsListView: React.FunctionComponent<ObservationsListViewP
   );
 
   const submit = useCallback(() => {
-    navigation.navigate('observationSubmit', {center_id});
-  }, [navigation, center_id]);
+    navigation.navigate('observationSubmit', {center_id: center_id, requestedTime: formatRequestedTime(requestedTime)});
+  }, [navigation, center_id, requestedTime]);
 
   const [showSubmitButtonText, setShowSubmitButtonText] = useState(true);
   const onScroll = useCallback(
diff --git a/components/observations/ObservationsPortal.tsx b/components/observations/ObservationsPortal.tsx
index 45e5aecd..ef7dea33 100644
--- a/components/observations/ObservationsPortal.tsx
+++ b/components/observations/ObservationsPortal.tsx
@@ -19,7 +19,10 @@ export const ObservationsPortal: React.FC<{
     () => navigation.navigate('observationsList', {center_id, requestedTime: formatRequestedTime(requestedTime)}),
     [center_id, navigation, requestedTime],
   );
-  const onSubmit = useCallback(() => navigation.navigate('observationSubmit', {center_id}), [center_id, navigation]);
+  const onSubmit = useCallback(
+    () => navigation.navigate('observationSubmit', {center_id: center_id, requestedTime: formatRequestedTime(requestedTime)}),
+    [center_id, navigation, requestedTime],
+  );
   const postHog = usePostHog();
 
   const recordAnalytics = useCallback(() => {
diff --git a/components/observations/SimpleForm.tsx b/components/observations/SimpleForm.tsx
index 9260c7e8..602b45c8 100644
--- a/components/observations/SimpleForm.tsx
+++ b/components/observations/SimpleForm.tsx
@@ -35,7 +35,7 @@ import Toast from 'react-native-toast-message';
 import {ObservationsStackNavigationProps} from 'routes';
 import {colorLookup} from 'theme';
 import {AvalancheCenterID, ImageMediaItem, InstabilityDistribution, MediaType, userFacingCenterId} from 'types/nationalAvalancheCenter';
-import {startOfSeasonLocalDate} from 'utils/date';
+import {RequestedTime, startOfSeasonLocalDate} from 'utils/date';
 
 const ImageListOverlay: React.FC<{index: number; onPress: (index: number) => void}> = ({index, onPress}) => {
   const onPressHandler = useCallback(() => {
@@ -58,8 +58,9 @@ const ImageListOverlay: React.FC<{index: number; onPress: (index: number) => voi
 
 export const SimpleForm: React.FC<{
   center_id: AvalancheCenterID;
+  requestedTime: RequestedTime;
   onClose?: () => void;
-}> = ({center_id, onClose}) => {
+}> = ({center_id, requestedTime, onClose}) => {
   const metadataResult = useAvalancheCenterMetadata(center_id);
   const metadata = metadataResult.data;
   const navigation = useNavigation<ObservationsStackNavigationProps>();
@@ -458,7 +459,14 @@ export const SimpleForm: React.FC<{
                         }}
                         disabled={disableFormControls}
                       />
-                      <LocationField name="location_point" label="Latitude/Longitude" center={center_id} ref={getFieldRef('location_point')} disabled={disableFormControls} />
+                      <LocationField
+                        name="location_point"
+                        label="Latitude/Longitude"
+                        center={center_id}
+                        ref={getFieldRef('location_point')}
+                        disabled={disableFormControls}
+                        requestedTime={requestedTime}
+                      />
                     </VStack>
                   </Card>
                   <Card borderRadius={0} borderColor="white" header={<Title3Semibold>Signs of instability</Title3Semibold>}>
diff --git a/components/screens/ObservationsScreen.tsx b/components/screens/ObservationsScreen.tsx
index 225fbcad..aeb94b1b 100644
--- a/components/screens/ObservationsScreen.tsx
+++ b/components/screens/ObservationsScreen.tsx
@@ -33,8 +33,8 @@ const ObservationsPortalScreen = ({route}: NativeStackScreenProps<ObservationsSt
 };
 
 const ObservationSubmitScreen = ({route}: NativeStackScreenProps<ObservationsStackParamList, 'observationSubmit'>) => {
-  const {center_id} = route.params;
-  return <SimpleForm center_id={center_id} />;
+  const {center_id, requestedTime} = route.params;
+  return <SimpleForm center_id={center_id} requestedTime={parseRequestedTimeString(requestedTime)} />;
 };
 
 const ObservationsListScreen = ({route}: NativeStackScreenProps<ObservationsStackParamList, 'observationsList'>) => {
diff --git a/components/weather_data/NWACWeatherStationList.tsx b/components/weather_data/NWACWeatherStationList.tsx
index 94ab0897..a9c64412 100644
--- a/components/weather_data/NWACWeatherStationList.tsx
+++ b/components/weather_data/NWACWeatherStationList.tsx
@@ -13,7 +13,7 @@ import {logger} from 'logger';
 import {WeatherStackNavigationProps} from 'routes';
 import {colorLookup} from 'theme';
 import {MapLayer, MapLayerFeature, WeatherStationCollection, WeatherStationProperties, WeatherStationSource} from 'types/nationalAvalancheCenter';
-import {RequestedTimeString} from 'utils/date';
+import {parseRequestedTimeString, RequestedTimeString} from 'utils/date';
 
 const stationGroupMapping = {
   // Snoqualmie Pass
@@ -115,7 +115,7 @@ export const NWACStationsByZone = (mapLayer: MapLayer | undefined, stations: Wea
 
 export const NWACStationList: React.FunctionComponent<{token: string; requestedTime: RequestedTimeString}> = ({token, requestedTime}) => {
   const navigation = useNavigation<WeatherStackNavigationProps>();
-  const mapLayerResult = useMapLayer('NWAC');
+  const mapLayerResult = useMapLayer('NWAC', parseRequestedTimeString(requestedTime));
   const mapLayer = mapLayerResult.data;
   const weatherStationsResult = useWeatherStationsMetadata('NWAC', token);
   const weatherStations = weatherStationsResult.data;
diff --git a/components/weather_data/WeatherStationPage.tsx b/components/weather_data/WeatherStationPage.tsx
index 1b57e2f3..ed0baab0 100644
--- a/components/weather_data/WeatherStationPage.tsx
+++ b/components/weather_data/WeatherStationPage.tsx
@@ -11,7 +11,7 @@ import {usePostHog} from 'posthog-react-native';
 import React, {useCallback} from 'react';
 import {AvalancheCenterID} from 'types/nationalAvalancheCenter';
 import {NotFoundError} from 'types/requests';
-import {RequestedTimeString} from 'utils/date';
+import {parseRequestedTimeString, RequestedTimeString} from 'utils/date';
 
 interface Props {
   center_id: AvalancheCenterID;
@@ -51,7 +51,7 @@ export const WeatherStations: React.FunctionComponent<{
   requestedTime: RequestedTimeString;
 }> = ({center_id, token, requestedTime}) => {
   const [list, {toggle: toggleList}] = useToggle(false);
-  const mapLayerResult = useMapLayer(center_id);
+  const mapLayerResult = useMapLayer(center_id, parseRequestedTimeString(requestedTime));
   const mapLayer = mapLayerResult.data;
   const weatherStationsResult = useWeatherStationsMetadata(center_id, token);
   const weatherStations = weatherStationsResult.data;
diff --git a/hooks/useMapLayer.ts b/hooks/useMapLayer.ts
index 929c369e..8cc21db2 100644
--- a/hooks/useMapLayer.ts
+++ b/hooks/useMapLayer.ts
@@ -11,12 +11,13 @@ import {formatDistanceToNowStrict} from 'date-fns';
 import {safeFetch} from 'hooks/fetch';
 import {LoggerContext, LoggerProps} from 'loggerContext';
 import {AvalancheCenterID, MapLayer, mapLayerSchema} from 'types/nationalAvalancheCenter';
+import {apiDateString, RequestedTime, requestedTimeToUTCDate} from 'utils/date';
 import {ZodError} from 'zod';
 
-export const useMapLayer = (center_id: AvalancheCenterID | undefined): UseQueryResult<MapLayer, AxiosError | ZodError> => {
+export const useMapLayer = (center_id: AvalancheCenterID | undefined, requestedTime: RequestedTime | undefined): UseQueryResult<MapLayer, AxiosError | ZodError> => {
   const {nationalAvalancheCenterHost} = React.useContext<ClientProps>(ClientContext);
   const {logger} = React.useContext<LoggerProps>(LoggerContext);
-  const key = center_id && queryKey(nationalAvalancheCenterHost, center_id);
+  const key = center_id && requestedTime && queryKey(nationalAvalancheCenterHost, center_id, requestedTime);
   const [thisLogger] = useState(logger.child({query: key}));
   useEffect(() => {
     thisLogger.debug('initiating query');
@@ -24,18 +25,25 @@ export const useMapLayer = (center_id: AvalancheCenterID | undefined): UseQueryR
 
   return useQuery<MapLayer, AxiosError | ZodError>({
     queryKey: key,
-    queryFn: async (): Promise<MapLayer> => (center_id ? fetchMapLayer(nationalAvalancheCenterHost, center_id, thisLogger) : new Promise(() => null)),
-    enabled: !!center_id,
+    queryFn: async (): Promise<MapLayer> =>
+      center_id && requestedTime ? fetchMapLayer(nationalAvalancheCenterHost, center_id, requestedTime, thisLogger) : new Promise(() => null),
+    enabled: !!center_id && !!requestedTime,
     cacheTime: Infinity, // hold on to this cached data forever
   });
 };
 
-function queryKey(nationalAvalancheCenterHost: string, center_id: string) {
-  return ['map-layer', {host: nationalAvalancheCenterHost, center: center_id}];
+function queryKey(nationalAvalancheCenterHost: string, center_id: string, requestedTime: RequestedTime) {
+  return [`map-layer`, {host: nationalAvalancheCenterHost, center: center_id, requestedTime: requestedTime}];
 }
 
-export const prefetchMapLayer = async (queryClient: QueryClient, nationalAvalancheCenterHost: string, center_id: AvalancheCenterID, logger: Logger) => {
-  const key = queryKey(nationalAvalancheCenterHost, center_id);
+export const prefetchMapLayer = async (
+  queryClient: QueryClient,
+  nationalAvalancheCenterHost: string,
+  center_id: AvalancheCenterID,
+  requestedTime: RequestedTime,
+  logger: Logger,
+) => {
+  const key = queryKey(nationalAvalancheCenterHost, center_id, requestedTime);
   const thisLogger = logger.child({query: key});
   thisLogger.debug('initiating query');
 
@@ -44,7 +52,7 @@ export const prefetchMapLayer = async (queryClient: QueryClient, nationalAvalanc
     queryFn: async (): Promise<MapLayer> => {
       const start = new Date();
       thisLogger.trace(`prefetching`);
-      const result = await fetchMapLayer(nationalAvalancheCenterHost, center_id, thisLogger);
+      const result = await fetchMapLayer(nationalAvalancheCenterHost, center_id, requestedTime, thisLogger);
       thisLogger.trace({duration: formatDistanceToNowStrict(start)}, `finished prefetching`);
       return result;
     },
@@ -53,11 +61,24 @@ export const prefetchMapLayer = async (queryClient: QueryClient, nationalAvalanc
   });
 };
 
-const fetchMapLayer = async (nationalAvalancheCenterHost: string, center_id: AvalancheCenterID, logger: Logger): Promise<MapLayer> => {
+const fetchMapLayer = async (nationalAvalancheCenterHost: string, center_id: AvalancheCenterID, requestedTime: RequestedTime, logger: Logger): Promise<MapLayer> => {
   const url = `${nationalAvalancheCenterHost}/v2/public/products/map-layer/${center_id}`;
+  const params =
+    requestedTime === 'latest'
+      ? {}
+      : {
+          day: apiDateString(requestedTimeToUTCDate(requestedTime)),
+        };
   const what = 'avalanche avalanche center map layer';
-  const thisLogger = logger.child({url: url, what: what});
-  const data = await safeFetch(() => axios.get<AxiosResponse<unknown>>(url), thisLogger, what);
+  const thisLogger = logger.child({url: url, params: params, what: what});
+  const data = await safeFetch(
+    () =>
+      axios.get<AxiosResponse<unknown>>(url, {
+        params: params,
+      }),
+    thisLogger,
+    what,
+  );
 
   const parseResult = mapLayerSchema.safeParse(data);
   if (!parseResult.success) {
diff --git a/network/prefetchAllActiveForecasts.ts b/network/prefetchAllActiveForecasts.ts
index 56ea8342..32c6c11c 100644
--- a/network/prefetchAllActiveForecasts.ts
+++ b/network/prefetchAllActiveForecasts.ts
@@ -21,6 +21,7 @@ import TimeseriesQuery from 'hooks/useWeatherStationTimeseries';
 import {
   AllAvalancheCenterCapabilities,
   AvalancheCenter,
+  AvalancheCenterCapabilities,
   AvalancheCenterID,
   AvalancheForecastZoneStatus,
   ForecastResult,
@@ -58,11 +59,13 @@ export const prefetchAllActiveForecasts = async (
     void preloadAvalancheCenterLogo(queryClient, logger, id);
   });
 
+  const centerCapabilities: AvalancheCenterCapabilities | undefined = capabilities?.centers.find(center => (center.id as AvalancheCenterID) === center_id);
+
   await AvalancheCenterMetadataQuery.prefetch(queryClient, nationalAvalancheCenterHost, center_id, logger);
   const metadata = queryClient.getQueryData<AvalancheCenter>(AvalancheCenterMetadataQuery.queryKey(nationalAvalancheCenterHost, center_id));
 
   if (metadata?.widget_config?.danger_map) {
-    void AvalancheCenterMapLayerQuery.prefetch(queryClient, nationalAvalancheCenterHost, center_id, logger);
+    void AvalancheCenterMapLayerQuery.prefetch(queryClient, nationalAvalancheCenterHost, center_id, requestedTime, logger);
   }
 
   const endDate: Date = currentDateTime;
@@ -71,12 +74,12 @@ export const prefetchAllActiveForecasts = async (
     // This call will prefetch the 50 most recent
     void NWACObservationsQuery.prefetch(queryClient, nwacHost, center_id, endDate, logger);
   }
-  if (metadata?.widget_config?.danger_map) {
+  if (centerCapabilities?.platforms.obs) {
     // NAC fetches in 2 week chunks working backwards from endDate
     void NACObservationsQuery.prefetch(queryClient, nationalAvalancheCenterHost, center_id, endDate, logger);
   }
 
-  if (metadata?.widget_config?.stations?.token) {
+  if (centerCapabilities?.platforms.stations && metadata?.widget_config?.stations?.token) {
     await WeatherStationsQuery.prefetch(queryClient, snowboundHost, center_id, metadata?.widget_config?.stations?.token, logger);
     const weatherStations = queryClient.getQueryData<WeatherStationCollection>(WeatherStationsQuery.queryKey(snowboundHost, center_id));
     const stationIds: Record<string, WeatherStationSource> = weatherStations
@@ -85,7 +88,7 @@ export const prefetchAllActiveForecasts = async (
     void TimeseriesQuery.prefetch(queryClient, snowboundHost, metadata?.widget_config?.stations?.token, logger, stationIds, requestedTime, {days: 1});
   }
 
-  if (metadata?.widget_config?.forecast) {
+  if (centerCapabilities?.platforms.forecasts && metadata?.widget_config?.forecast) {
     metadata?.zones
       .filter(zone => zone.status === AvalancheForecastZoneStatus.Active)
       .forEach(zone => {
diff --git a/routes.ts b/routes.ts
index 097e7b5b..f32dacb2 100644
--- a/routes.ts
+++ b/routes.ts
@@ -84,6 +84,7 @@ export type ObservationsStackParamList = {
   };
   observationSubmit: {
     center_id: AvalancheCenterID;
+    requestedTime: RequestedTimeString;
   };
   observationsList: {
     center_id: AvalancheCenterID;