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Clouds, rain chances return this week

A strong cold front could bring fall air late next week
Published: Sep. 19, 2021 at 7:04 AM EDT|Updated: Sep. 19, 2021 at 6:36 PM EDT
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TONIGHT

Clouds will be on the increase tonight as a backdoor cold front slides into our area. This will bring a chance of light showers overnight into Monday morning. With clouds expected, lows will fall into the 60s area-wide.

MONDAY & TUESDAY

Our friend, the wedge, will return to kick off this week. A northeast wind will allow for cooler air and clouds Monday and Tuesday with highs only in the mid 70s. At this time models are suggesting better rain chances Tuesday for parts of the region and continue into Wednesday as a stronger front arrives.

A wedge develops delivering cooler air along with clouds and a few showers Monday and Tuesday.
A wedge develops delivering cooler air along with clouds and a few showers Monday and Tuesday.(WDBJ7)

WET WEDNESDAY

By Wednesday, a strong cold front will move into the region bringing a better chance of rain followed by much cooler, Canadian air. It looks like the front may offer our best chance of widespread rain which may be heavy at times along/west of the Blue Ridge Parkway. Models differ on the speed of the front, however, it appears much of Wednesday should be wet until much cooler, drier air moves in Thursday.

Rainfall models are suggesting areas along/west of the I-81 corridor have the best chance of topping 1″ of rain. Meanwhile, rain will weaken as it moves east with lighter amounts toward Lynchburg and Danville. We will also have to watch for the threat of severe weather across the Piedmont by Wednesday afternoon.

Rain could make an impact Tuesday into Wednesday.
Rain could make an impact Tuesday into Wednesday.(WDBJ Weather)

Behind the cold front, temperatures at night will slip to the upper 40s in the mountain valleys and 50s elsewhere. Afternoon highs will likely never make it out of the mid 70s.

A strong cold front arrives by the middle of the week with much cooler air to follow. Highs...
A strong cold front arrives by the middle of the week with much cooler air to follow. Highs only reach the 70s with lows in the 40s and 50s by Thursday and Friday.(WDBJ7)

THE TROPICS

We continue to watch an active tropical map of potential storm development. The latest outlook from the National Hurricane Center is below. The red areas are where development is likely in the next 2-5 days. Tropical Storm Peter and Tropical Depression Seventeen developed this morning. At this time these storms don’t look to affect the U.S. There are only 5 names left on the regular list of 2021 names.

Tropical Storm Peter forecast.
Tropical Storm Peter forecast.(WDBJ Weather)