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Heat builds before Friday storms, weekend cool-down

A storm system brings big changes in time for the holiday weekend

FutureTracker - 7 p.m. Friday
FutureTracker - 7 p.m. Friday

ROANOKE, Va. – It’s going to be tough to follow up Wednesday’s near-record heat, but we’ll come close Thursday afternoon. Temperatures top out in the low to mid 80s throughout the New River Valley with highs in the upper 80s and lower 90s once again in the Roanoke Valley, Lynchburg area and Southside.

High temperature forecast for Thursday, May 27th, 2021

There’s only a slim chance of a stray storm south of US 460 later in the day. The better chance for showers and storms comes Friday. We’ll still be quite warm (in the 80s) leading up to any storms.

Any storms before 5 p.m. will be pretty hit-or-miss, but they can still pack a punch given the warmth and humidity.

FutureTracker - 1 p.m. Friday

The “main event,” so to speak, comes after 5 or 6 p.m. as the overall storm system moves closer to our area. This will fire off more numerous showers and storms. While we don’t expect an outbreak of severe weather, a few strong-to-severe storms will be possible before 11 p.m.

FutureTracker - 7 p.m. Friday

Localized wind damage would be the main threat with anything we see Friday afternoon or evening. It’s for that reason that we’re under a Level 1 risk out of 5 for severe weather, according to the Storm Prediction Center.

Severe weather outlook for Friday, May 28th, 2021

Our storm system hangs out over the Eastern U.S., as cooler air gets drawn in at the surface. So while the threat for thunderstorms is lower Saturday, the threat for showers isn’t completely gone.

Upper level air pattern for Saturday, May 29th, 2021

A northeast wind continues to keep us unseasonably cool Sunday, with clouds and perhaps some pockets of fog and drizzle around. Lows start in the 40s and 50s, with afternoon highs only in the 60s.

What we're tracking for Sunday, May 30th, 2021

As high pressure takes control of our weather Monday, the weather will improve. Expect to start cool in the 40s and 50s again, but afternoon highs will rise back into the mid to upper 70s.

Memorial Day weekend forecast - 2021

It should be just about perfect for any Memorial Day plans you may have!

Make sure to download our app for updates, radar and alerts throughout the holiday weekend.

About the Author:

Meteorologist Chris Michaels is an American Meteorological Society (AMS) Certified Broadcaster, forecasting weather conditions in southwest Virginia on WSLS 10 News from 5 a.m. to 7 a.m. weekdays on Virginia Today.