Flash Flood Watch in northern suburbs through 8 p.m.
Flood warning for Seneca Creek near Dawsonville in Montgomery co. until late tonight
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Dry air wrapped into the region this afternoon, cutting off the rain train and delivering some of the most welcome sunshine in recent memory. The swirling remnants of tropical storm Lee, however, still linger to our west and could spin up showers over the weekend, mainly in the afternoon. Temperatures will be seasonably warm each day.
Through Tonight: Partly cloudy skies continue. With some instability and lingering moisture in the area, a pop-up shower can’t be ruled out (mainly north of the District). Temperatures are mild, with lows in the low 60s in the cooler suburbs to the upper 60s downtown.
This weekend: For at least parts of Saturday and Sunday, we should have partial sunshine. However, each afternoon, we have a chance of showers and thundershowers. The odds Saturday are about 30%, and 40-50% Sunday. After a chance of evening showers (winding down within a few hours of sunset), Saturday night is mostly cloudy, with lows 63-68 (suburbs-city).
Pollen update from Walter Reed: Tree, grass, and weed pollen are LOW, but mold spores are HIGH due to recent rain.
Tropics: Say goodbye to Hurricane Katia, moving over the open Atlantic midway between Bermuda and Nova Scotia. Way to the south, minimal tropical storm Maria continues struggling, but is on track to bring heavy rains to the northern Lesser Antilles, the Virgin islands, and Puerto Rico where tropical storm warnings are in effect. Maria is forecast to track near or just north of the central Bahmas by early next week. It’s likely to turn out to sea, but, as closely as it may approach the southeast U.S. coast, bears watching. Lastly, tropical storm Nate in the southern Gulf of Mexico is forecast to move due west and make landfall between Tampico and Veracruz, Mexico as a hurricane Sunday.