Don't know if this is a popular weather source, it's been pretty consistent

[Thad]

https://forecast.weather.gov/product.php?site=NWS&issuedby=MTR&product=AFD&format=CI&version=1&glossary=1

[Hotspring 44]

If you like maps, here is another page on the same website with a US weather map.
https://www.weather.gov/


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