diff --git a/frontend/components/dashboard/Dashboard.module.css b/frontend/components/dashboard/Dashboard.module.css
index ec565686..09e48d14 100644
--- a/frontend/components/dashboard/Dashboard.module.css
+++ b/frontend/components/dashboard/Dashboard.module.css
@@ -3022,6 +3022,20 @@
   line-height: 1.45;
 }
 
+.root :global(.future-trend-summary-muted) {
+  color: var(--text-muted);
+  border: 1px dashed rgba(148, 163, 184, 0.18);
+  background: rgba(255, 255, 255, 0.018);
+}
+
+.root :global(.future-trend-card-empty) {
+  background: linear-gradient(
+    180deg,
+    rgba(148, 163, 184, 0.05) 0%,
+    rgba(255, 255, 255, 0.02) 100%
+  );
+}
+
 .root :global(.future-subsection-title) {
   color: var(--text-primary);
   font-size: 0.95rem;
diff --git a/frontend/components/dashboard/FutureForecastModal.tsx b/frontend/components/dashboard/FutureForecastModal.tsx
index 86b29523..8eb770f8 100644
--- a/frontend/components/dashboard/FutureForecastModal.tsx
+++ b/frontend/components/dashboard/FutureForecastModal.tsx
@@ -1600,17 +1600,22 @@ export function FutureForecastModal() {
                         </div>
                       ))}
                     </div>
-                    {displayedUpperAirSummary ||
-                    displayedUpperAirMetrics.length > 0 ? (
-                      <>
-                        <div className="future-subsection-title">
-                          {locale === "en-US" ? "Upper-Air Structure" : "高空结构信号"}
+                    <>
+                      <div className="future-subsection-title">
+                        {locale === "en-US" ? "Upper-Air Structure" : "高空结构信号"}
+                      </div>
+                      {displayedUpperAirSummary ? (
+                        <div className="future-trend-summary">
+                          {displayedUpperAirSummary}
                         </div>
-                        {displayedUpperAirSummary ? (
-                          <div className="future-trend-summary">
-                            {displayedUpperAirSummary}
-                          </div>
-                        ) : null}
+                      ) : (
+                        <div className="future-trend-summary future-trend-summary-muted">
+                          {locale === "en-US"
+                            ? "Upper-air structure is temporarily unavailable for this city. For now, lean on surface structure and TAF timing."
+                            : "该城市当前暂无可用的高空结构数据，先以近地面结构和 TAF 时段作为主判断。"}
+                        </div>
+                      )}
+                      {displayedUpperAirMetrics.length > 0 ? (
                         <div className="future-trend-grid">
                           {displayedUpperAirMetrics.map((metric) => (
                             <div key={metric.label} className="future-trend-card">
@@ -1653,8 +1658,22 @@ export function FutureForecastModal() {
                             </div>
                           ))}
                         </div>
-                      </>
-                    ) : null}
+                      ) : (
+                        <div className="future-trend-card future-trend-card-empty">
+                          <div className="future-trend-label">
+                            {locale === "en-US" ? "Upper-air source" : "高空数据源"}
+                          </div>
+                          <div className="future-trend-value">
+                            {locale === "en-US" ? "Not available" : "暂不可用"}
+                          </div>
+                          <div className="future-trend-note">
+                            {locale === "en-US"
+                              ? "No upper-air diagnostic feed is attached to this city right now."
+                              : "当前该城市未接入可用的高空诊断源，所以这里先保留说明卡片。"}
+                          </div>
+                        </div>
+                      )}
+                    </>
                   </section>
                 </main>
               </div>
diff --git a/frontend/components/dashboard/WeatherAuraLayer.tsx b/frontend/components/dashboard/WeatherAuraLayer.tsx
index cd81c913..27e8dec1 100644
--- a/frontend/components/dashboard/WeatherAuraLayer.tsx
+++ b/frontend/components/dashboard/WeatherAuraLayer.tsx
@@ -67,13 +67,30 @@ export function WeatherAuraLayer() {
     camera.position.z = 2;
 
     const clock = new THREE.Clock();
+    const cleanupMaterials = new Set<THREE.Material>();
     const particleGroups: Array<{
+      kind: "flow" | "rain" | "snow" | "fog" | "cloud";
       geometry: THREE.BufferGeometry;
       positions: Float32Array;
       baseY: Float32Array;
       drift: Float32Array;
       phase: Float32Array;
+      material: THREE.Material;
+      mesh: THREE.Object3D;
     }> = [];
+    const effectLights: THREE.Light[] = [];
+    const flashOverlay = new THREE.Mesh(
+      new THREE.PlaneGeometry(2.2, 2.2),
+      new THREE.MeshBasicMaterial({
+        color: new THREE.Color("#e0f2fe"),
+        transparent: true,
+        opacity: 0,
+        blending: THREE.AdditiveBlending,
+      }),
+    );
+    flashOverlay.position.z = -0.3;
+    scene.add(flashOverlay);
+    cleanupMaterials.add(flashOverlay.material as THREE.Material);
 
     function createParticleField(
       count: number,
@@ -127,12 +144,203 @@ export function WeatherAuraLayer() {
 
       const points = new THREE.Points(geometry, material);
       scene.add(points);
-      particleGroups.push({ geometry, positions, baseY, drift, phase });
+      cleanupMaterials.add(material);
+      particleGroups.push({
+        geometry,
+        positions,
+        baseY,
+        drift,
+        phase,
+        kind: "flow",
+        material,
+        mesh: points,
+      });
+    }
+
+    function createRainField(count: number) {
+      const geometry = new THREE.BufferGeometry();
+      const positions = new Float32Array(count * 3);
+      const baseY = new Float32Array(count);
+      const drift = new Float32Array(count);
+      const phase = new Float32Array(count);
+
+      for (let index = 0; index < count; index += 1) {
+        const offset = index * 3;
+        positions[offset] = Math.random() * 2.8 - 1.4;
+        positions[offset + 1] = Math.random() * 2.2 - 1.1;
+        positions[offset + 2] = Math.random() * 0.4 - 0.2;
+        baseY[index] = positions[offset + 1];
+        drift[index] = (0.018 + Math.random() * 0.016) * aura.effectIntensity;
+        phase[index] = 0.004 + Math.random() * 0.004;
+      }
+
+      geometry.setAttribute("position", new THREE.BufferAttribute(positions, 3));
+      const material = new THREE.PointsMaterial({
+        size: 0.018,
+        color: new THREE.Color("#7dd3fc"),
+        transparent: true,
+        opacity: 0.72,
+        depthWrite: false,
+        blending: THREE.AdditiveBlending,
+      });
+      const points = new THREE.Points(geometry, material);
+      scene.add(points);
+      cleanupMaterials.add(material);
+      particleGroups.push({
+        geometry,
+        positions,
+        baseY,
+        drift,
+        phase,
+        kind: "rain",
+        material,
+        mesh: points,
+      });
+    }
+
+    function createSnowField(count: number) {
+      const geometry = new THREE.BufferGeometry();
+      const positions = new Float32Array(count * 3);
+      const baseY = new Float32Array(count);
+      const drift = new Float32Array(count);
+      const phase = new Float32Array(count);
+
+      for (let index = 0; index < count; index += 1) {
+        const offset = index * 3;
+        positions[offset] = Math.random() * 2.8 - 1.4;
+        positions[offset + 1] = Math.random() * 2.1 - 1.05;
+        positions[offset + 2] = Math.random() * 0.35 - 0.18;
+        baseY[index] = positions[offset + 1];
+        drift[index] = (0.0045 + Math.random() * 0.0045) * aura.effectIntensity;
+        phase[index] = Math.random() * Math.PI * 2;
+      }
+
+      geometry.setAttribute("position", new THREE.BufferAttribute(positions, 3));
+      const material = new THREE.PointsMaterial({
+        size: 0.024,
+        color: new THREE.Color("#f8fafc"),
+        transparent: true,
+        opacity: 0.85,
+        depthWrite: false,
+        blending: THREE.AdditiveBlending,
+      });
+      const points = new THREE.Points(geometry, material);
+      scene.add(points);
+      cleanupMaterials.add(material);
+      particleGroups.push({
+        geometry,
+        positions,
+        baseY,
+        drift,
+        phase,
+        kind: "snow",
+        material,
+        mesh: points,
+      });
+    }
+
+    function createFogField(count: number) {
+      const geometry = new THREE.BufferGeometry();
+      const positions = new Float32Array(count * 3);
+      const baseY = new Float32Array(count);
+      const drift = new Float32Array(count);
+      const phase = new Float32Array(count);
+
+      for (let index = 0; index < count; index += 1) {
+        const offset = index * 3;
+        positions[offset] = Math.random() * 2.6 - 1.3;
+        positions[offset + 1] = Math.random() * 0.9 - 0.45;
+        positions[offset + 2] = Math.random() * 0.45 - 0.2;
+        baseY[index] = positions[offset + 1];
+        drift[index] = (0.0014 + Math.random() * 0.001) * aura.effectIntensity;
+        phase[index] = Math.random() * Math.PI * 2;
+      }
+
+      geometry.setAttribute("position", new THREE.BufferAttribute(positions, 3));
+      const material = new THREE.PointsMaterial({
+        size: 0.12,
+        color: new THREE.Color("#cbd5e1"),
+        transparent: true,
+        opacity: 0.18,
+        depthWrite: false,
+        blending: THREE.AdditiveBlending,
+      });
+      const points = new THREE.Points(geometry, material);
+      scene.add(points);
+      cleanupMaterials.add(material);
+      particleGroups.push({
+        geometry,
+        positions,
+        baseY,
+        drift,
+        phase,
+        kind: "fog",
+        material,
+        mesh: points,
+      });
+    }
+
+    function createCloudField(count: number) {
+      const geometry = new THREE.BufferGeometry();
+      const positions = new Float32Array(count * 3);
+      const baseY = new Float32Array(count);
+      const drift = new Float32Array(count);
+      const phase = new Float32Array(count);
+
+      for (let index = 0; index < count; index += 1) {
+        const offset = index * 3;
+        positions[offset] = Math.random() * 2.7 - 1.35;
+        positions[offset + 1] = Math.random() * 0.75 + 0.1;
+        positions[offset + 2] = Math.random() * 0.3 - 0.15;
+        baseY[index] = positions[offset + 1];
+        drift[index] = (0.0012 + Math.random() * 0.0009) * aura.effectIntensity;
+        phase[index] = Math.random() * Math.PI * 2;
+      }
+
+      geometry.setAttribute("position", new THREE.BufferAttribute(positions, 3));
+      const material = new THREE.PointsMaterial({
+        size: 0.1,
+        color: new THREE.Color("#dbeafe"),
+        transparent: true,
+        opacity: 0.13,
+        depthWrite: false,
+        blending: THREE.AdditiveBlending,
+      });
+      const points = new THREE.Points(geometry, material);
+      scene.add(points);
+      cleanupMaterials.add(material);
+      particleGroups.push({
+        geometry,
+        positions,
+        baseY,
+        drift,
+        phase,
+        kind: "cloud",
+        material,
+        mesh: points,
+      });
     }
 
     createParticleField(90, 0.018, aura.particleOpacity * 0.9, -0.1);
     createParticleField(60, 0.026, aura.particleOpacity * 0.65, 0.08);
 
+    if (aura.effect === "rain" || aura.effect === "storm") {
+      createRainField(aura.effect === "storm" ? 240 : 170);
+    } else if (aura.effect === "snow") {
+      createSnowField(150);
+    } else if (aura.effect === "fog") {
+      createFogField(90);
+    } else if (aura.effect === "cloud" || aura.effect === "wind") {
+      createCloudField(aura.effect === "wind" ? 80 : 54);
+    }
+
+    if (aura.effect === "storm") {
+      const flashLight = new THREE.PointLight(0xdbeafe, 0, 6, 2);
+      flashLight.position.set(0.2, 0.9, 1.1);
+      scene.add(flashLight);
+      effectLights.push(flashLight);
+    }
+
     const resize = () => {
       const width = host.clientWidth || window.innerWidth;
       const height = host.clientHeight || window.innerHeight;
@@ -156,22 +364,73 @@ export function WeatherAuraLayer() {
       for (const field of particleGroups) {
         for (let index = 0; index < field.baseY.length; index += 1) {
           const offset = index * 3;
-          let nextX = field.positions[offset] + field.drift[index];
-          if (nextX > 1.35) {
-            nextX = -1.35;
-            field.baseY[index] = Math.random() * 1.8 - 0.9;
+          if (field.kind === "flow") {
+            let nextX = field.positions[offset] + field.drift[index];
+            if (nextX > 1.35) {
+              nextX = -1.35;
+              field.baseY[index] = Math.random() * 1.8 - 0.9;
+            }
+            field.positions[offset] = nextX;
+            field.positions[offset + 1] =
+              field.baseY[index] +
+              Math.sin(elapsed * 0.45 + field.phase[index] + nextX * 2.4) *
+                0.06 *
+                aura.intensity;
+          } else if (field.kind === "rain") {
+            let nextY = field.positions[offset + 1] - field.drift[index];
+            let nextX = field.positions[offset] + field.phase[index] * aura.drift;
+            if (nextY < -1.12 || nextX > 1.45) {
+              nextY = 1.15 + Math.random() * 0.25;
+              nextX = Math.random() * 2.9 - 1.45;
+            }
+            field.positions[offset] = nextX;
+            field.positions[offset + 1] = nextY;
+          } else if (field.kind === "snow") {
+            let nextY = field.positions[offset + 1] - field.drift[index];
+            let nextX =
+              field.positions[offset] +
+              Math.sin(elapsed * 0.9 + field.phase[index]) * 0.0024 * aura.effectIntensity;
+            if (nextY < -1.1) {
+              nextY = 1.12 + Math.random() * 0.2;
+              nextX = Math.random() * 2.8 - 1.4;
+            }
+            field.positions[offset] = nextX;
+            field.positions[offset + 1] = nextY;
+          } else if (field.kind === "fog" || field.kind === "cloud") {
+            let nextX = field.positions[offset] + field.drift[index];
+            if (nextX > 1.38) {
+              nextX = -1.38;
+              field.baseY[index] =
+                field.kind === "cloud"
+                  ? Math.random() * 0.75 + 0.1
+                  : Math.random() * 0.9 - 0.45;
+            }
+            field.positions[offset] = nextX;
+            field.positions[offset + 1] =
+              field.baseY[index] +
+              Math.sin(elapsed * 0.3 + field.phase[index]) *
+                (field.kind === "cloud" ? 0.03 : 0.05);
           }
-          field.positions[offset] = nextX;
-          field.positions[offset + 1] =
-            field.baseY[index] +
-            Math.sin(elapsed * 0.45 + field.phase[index] + nextX * 2.4) *
-              0.06 *
-              aura.intensity;
         }
 
         field.geometry.attributes.position.needsUpdate = true;
       }
 
+      if (effectLights.length > 0) {
+        const flashPulse = Math.max(0, Math.sin(elapsed * 2.1) - 0.78) * 20;
+        for (const light of effectLights) {
+          if (light instanceof THREE.PointLight) {
+            light.intensity = flashPulse;
+          }
+        }
+        (flashOverlay.material as THREE.MeshBasicMaterial).opacity = Math.min(
+          0.18,
+          flashPulse / 120,
+        );
+      } else {
+        (flashOverlay.material as THREE.MeshBasicMaterial).opacity = 0;
+      }
+
       renderer.render(scene, camera);
     };
 
@@ -187,6 +446,7 @@ export function WeatherAuraLayer() {
       for (const field of particleGroups) {
         field.geometry.dispose();
       }
+      cleanupMaterials.forEach((material) => material.dispose());
       renderer.dispose();
       if (renderer.domElement.parentNode === host) {
         host.removeChild(renderer.domElement);
@@ -199,6 +459,8 @@ export function WeatherAuraLayer() {
     aura.primary,
     aura.secondary,
     aura.tertiary,
+    aura.effect,
+    aura.effectIntensity,
     isDesktop,
     prefersReducedMotion,
   ]);
@@ -212,6 +474,15 @@ export function WeatherAuraLayer() {
       `radial-gradient(circle at 18% 22%, ${hexToRgba(aura.primary, 0.18 * aura.intensity)}, transparent 32%)`,
       `radial-gradient(circle at 78% 20%, ${hexToRgba(aura.secondary, 0.14 * aura.intensity)}, transparent 34%)`,
       `radial-gradient(circle at 52% 78%, ${hexToRgba(aura.tertiary, 0.12 * aura.intensity)}, transparent 38%)`,
+      aura.effect === "rain" || aura.effect === "storm"
+        ? `linear-gradient(180deg, ${hexToRgba("#67e8f9", 0.06 * aura.effectIntensity)}, transparent 45%)`
+        : aura.effect === "snow"
+          ? `linear-gradient(180deg, ${hexToRgba("#e2e8f0", 0.06 * aura.effectIntensity)}, transparent 45%)`
+          : aura.effect === "fog"
+            ? `radial-gradient(circle at 50% 56%, ${hexToRgba("#cbd5e1", 0.08 * aura.effectIntensity)}, transparent 60%)`
+            : aura.effect === "cloud"
+              ? `linear-gradient(180deg, ${hexToRgba("#dbeafe", 0.04 * aura.effectIntensity)}, transparent 40%)`
+              : "none",
     ].join(", "),
   } as CSSProperties;
 
diff --git a/frontend/lib/weather-aura.ts b/frontend/lib/weather-aura.ts
index 867c46d4..12cddca6 100644
--- a/frontend/lib/weather-aura.ts
+++ b/frontend/lib/weather-aura.ts
@@ -7,9 +7,23 @@ export interface WeatherAuraProfile {
   intensity: number;
   drift: number;
   particleOpacity: number;
+  effect: WeatherAuraEffect;
+  effectIntensity: number;
 }
 
-const RISK_AURA: Record<string, Omit<WeatherAuraProfile, "intensity" | "drift">> =
+export type WeatherAuraEffect =
+  | "rain"
+  | "snow"
+  | "fog"
+  | "storm"
+  | "wind"
+  | "cloud"
+  | "clear";
+
+const RISK_AURA: Record<
+  string,
+  Omit<WeatherAuraProfile, "intensity" | "drift" | "effect" | "effectIntensity">
+> =
   {
     high: {
       primary: "#ff7c2a",
@@ -56,11 +70,64 @@ export function getWeatherAuraProfile(
   const intensity = clamp(0.7 + validTemp / 40, 0.72, 1.45);
   const drift = clamp(0.45 + validTemp / 30, 0.55, 1.35);
   const particleOpacity = clamp(base.particleOpacity + (intensity - 1) * 0.08, 0.22, 0.48);
+  const wxText = `${String(detail?.current?.wx_desc || "")} ${String(
+    detail?.current?.cloud_desc || "",
+  )}`.toUpperCase();
+  const windSpeed = Number(detail?.current?.wind_speed_kt);
+  const humidity = Number(detail?.current?.humidity);
+
+  let effect: WeatherAuraEffect = "clear";
+  if (
+    /(TS|VCTS|THUNDER|雷暴|LIGHTNING)/.test(wxText)
+  ) {
+    effect = "storm";
+  } else if (/(SN|SG|GS|ICE|SLEET|雪|霰)/.test(wxText)) {
+    effect = "snow";
+  } else if (/(RA|DZ|SHRA|SHOWER|RAIN|DRIZZLE|雨)/.test(wxText)) {
+    effect = "rain";
+  } else if (/(FG|BR|HZ|FU|MIST|FOG|雾|霾)/.test(wxText)) {
+    effect = "fog";
+  } else if (
+    /(BKN|OVC|SCT|FEW|CLOUD|云|阴)/.test(wxText)
+  ) {
+    effect = "cloud";
+  } else if (Number.isFinite(windSpeed) && windSpeed >= 18) {
+    effect = "wind";
+  }
+
+  const effectIntensity =
+    effect === "storm"
+      ? clamp(
+          0.9 +
+            (Number.isFinite(windSpeed) ? windSpeed / 35 : 0) +
+            (Number.isFinite(humidity) ? humidity / 220 : 0),
+          0.9,
+          1.9,
+        )
+      : effect === "rain"
+        ? clamp(
+            0.75 +
+              (Number.isFinite(humidity) ? humidity / 180 : 0) +
+              (Number.isFinite(windSpeed) ? windSpeed / 45 : 0),
+            0.72,
+            1.7,
+          )
+        : effect === "snow"
+          ? clamp(0.8 + (Number.isFinite(windSpeed) ? windSpeed / 50 : 0), 0.78, 1.4)
+          : effect === "fog"
+            ? clamp(0.78 + (Number.isFinite(humidity) ? humidity / 240 : 0), 0.75, 1.3)
+            : effect === "wind"
+              ? clamp(0.72 + (Number.isFinite(windSpeed) ? windSpeed / 40 : 0), 0.72, 1.5)
+              : effect === "cloud"
+                ? 0.82
+                : 0.72;
 
   return {
     ...base,
     intensity,
     drift,
     particleOpacity,
+    effect,
+    effectIntensity,
   };
 }