If Weather.com refuses to open or just spins forever, start with the basics: clear your browser cache and cookies, then try a hard refresh (Ctrl+Shift+R on Windows, Cmd+Shift+R on Mac). If that doesn't help, switch to a different browser or try incognito mode — sometimes aggressive extensions like ad blockers interfere with how the page loads. Also worth checking: your DNS settings. Switching to 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare) fixes silent loading failures more often than people expect.
This usually comes down to a corrupted local cache or an outdated app version. Force-close the app, go to your device settings, clear the app's cache (not data, unless you're okay re-logging in), and reopen. If it still crashes, check for pending updates in the App Store or Google Play — the Weather Channel app gets fairly regular patches. On Android, revoking and re-granting location permission sometimes unsticks a frozen launch screen.
Interactive radar is the heaviest feature on the platform and the first to break under a slow connection. Run a speed test — you need at least 5 Mbps for smooth radar tile loading. If your connection is fine but the map stays blank, the issue is almost always WebGL. Open your browser's hardware acceleration setting and make sure it's enabled. In Chrome, go to Settings > System and toggle 'Use hardware acceleration when available.' Firefox users sometimes need to whitelist the site in their graphics settings manually.