Technical discussion: Higher humidity and thunderstorms on the - WTVM.com-Columbus, GA News Weather & Sports

Good Friday Evening!

8:00 pm update:

If you looked up in the sky today, you probably noticed it was a bit hazy. The haze is coming from smoky fires in Canada, not from high humidity. In fact, the air today was quite dry with dew point temperatures in the 50s. Weather conditions at the hour are nice and quiet. Winds are light and despite the haze, the sky is mainly clear. Temperatures are in the 70s with some 60s in the cooler locations. Enjoy a nice quiet Friday evening!

Previous discussion:

The last weekend of July is here! I know it may be hard to believe, but August 1st is next Friday, one week from today! The weekend will start out quite pleasant. High pressure will move off the East Coast tonight and tomorrow and the nice weather will last through most of Saturday. Tonight will be mainly clear and we can forward to more pleasant conditions for sleeping. The mercury will dip into the 50s and lower 60s by morning. Tomorrow will feature mostly sunny skies although more clouds will tend to mix in during the course of the afternoon. Highs will be in the mid 80s and the humidity will rise a bit as well, but it will still remain within the comfortable range. Plus, a nice south to southwesterly breeze will freshen across the state as the day wears on.

The second half of the weekend won't be as nice. Humidity levels will continue to rise Saturday night and it'll feel tropical by Sunday with dew point temperatures quite possibly reaching 70 degrees or higher. A few showers could reach Western Connecticut and Massachusetts by tomorrow evening then showers and thunderstorms will increase in coverage Saturday night as the humid air moves in. While Sunday won't be a washout, showers and thunderstorms will be a threat from time to time. Some storms could pack a pretty good punch with heavy downpours and there may be some concern for gusty winds too. Sky conditions will vary from cloudy to partly sunny and temperatures should rise well into the 80s.

A low pressure system and a cold front will pass through New England on Monday. Therefore more showers and thunderstorms are possible. High temperatures will be in the 80s. The humidity may start to drop during the afternoon, but that all depends on how quickly the front moves through. Right now, it looks like it will be a slow process.

The front will finally move off the New England Coast by Tuesday then we can look forward to dry, comfortable weather for much of next week. The jet stream will dip southward across much of the Eastern United States next week. That means the final days of July will be a little cooler than normal. The air will be just a bit unstable with a trough hovering in the upper regions of the atmosphere. Thus, we can't rule out a few pop-up afternoon showers with will cool nights and dry, pleasantly warm days.

Have a terrific weekend!

Chief Meteorologist Bruce DePrest

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