After studying meteorology and through working in my current field (IE, my "day job"), I've developed a rather large catalogue of weather links and resources that I use. Occasionally sites are retired, so the list is in something of flux, but below you'll find links to models, satellite date, radar imagery, and more. Please note that some websites are experimental in nature - use your best judgement in utilization. Pages I frequently visit, or have a particular liking to are noted with a "📸".
Aviation Weather 📸
CoSPA 📸
 (requires log-in, free to sign up. Due to be retired 26/27)
METAR Data (TAFs also here) 📸