The poppies are mostly gone from the Merced River Canyon, but other flowers have replaced them—although in smaller quantities. Lupine, owl's clover, and gilia have formed small carpets throughout the canyon, and the redbud are near their peak. I made this photograph of lupine, owl's clover, and poppies near El Portal on Saturday.
In Yosemite Valley it's still too early for dogwoods. They usually start blooming near the end of the month. Late April is also when the deciduous trees start leafing out. Cottonwoods, alders, and maples turn bright green, while black oak leaves often appear red or orange when they first appear.
The last few days have been warm, but rain is predicted for tomorrow, with snow possible down to 5000 feet on Wednesday. Another weather system is supposed to arrive Friday. This cooler, wetter weather will temporarily reduce the flow in the waterfalls, but help preserve the snowpack for May and June. It's too early to tell how this weather might affect the timing of the dogwoods—for now I still expect them to arrive at their usual time in late April. Of course any rain or snow provides opportunities for clearing storm photographs.