Weather not showing up in sim

This has been an intermittent problem until yesterday, when it took over.

I can set up a flight in Simbrief, then import it and the weather is shown on the flightplan page, but once I hit fly now, I spawn in the sim world and there is no weather at all. The past few weeks I would close and re-launch MSFS, try the same plan again, and the weather would show up in the sim. Now I can't get the weather to show up no matter how many times I try.

For my saved flights, no matter WHAT I save the weather as (rainy, thunderstorm) when I reload that saved flight, it is ALWAYS clear.

If you don't save the flight, does the weather work?