Some sun, some rain this weekend

finger lakes weather forecast friday july 30 2021 sun clouds showers thunderstorms
Conditions will trend sunnier today, but another system will move in Saturday night and Sunday with showers and storms. [Photo by Joan Lockwood]

High Pressure Builds In

The weather across the Finger Lakes will transition back to a dry, sunny pattern for a brief time before the next system moves in Saturday night.

Low pressure along the coast of New England is dragging a final cold front through the area this morning. Plenty of clouds and just a few isolated showers accompany this front.

The threat for a couple showers will gradually shift south through and out of the region this morning. By the late morning hours, the region should be rain-free.

Clouds will take a bit longer to clear out, but sunshine will slowly increase through the afternoon.

A steady northwest wind will blow through the day with speeds of near or just over 10 mph. Top gusts will be near, but mostly under 30 mph.

These northwest winds will keep a fresh supply of cool air overhead. Most areas will not make it to 70 degrees today, and a few higher elevations may struggle to get more than a degree or two above 65.

Skies will be clear tonight with temperatures ranging from the mid 50s along the lakeshores to the upper 40s throughout the higher elevations of the Southern Tier. A few pockets of Allegany and Steuben counties could even flirt with 45 degrees.

Fair weather clouds will be quick to develop tomorrow morning and the rest of the day will have mixed skies. No rain is expected during the daytime hours, though.

Winds will be from the west and northwest, but the connection to cool Canadian air will be weaker. With more sunshine than today, highs will manage to break into the low 70s for most areas. A few higher elevations in Central New York will stick to the upper 60s.

finger lakes weather 7-day forecast friday july 30 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Next Weather Systems

By Saturday evening, the next weather system will begin to slide into our area. A few showers will become possible, mainly near the shore of Lake Ontario across the western half of the region. The showers will remain primarily in these areas through the night.

Sunday morning, showers will spread across the rest of the western Finger Lakes. By the afternoon, showers and thunderstorms will start to develop further east.

While widespread severe weather seems unlikely, the threat for some heavier rain from slow moving storms will need to be monitored.

Highs on Sunday will vary based on how the rain evolves. Areas that see showers through the morning and into the afternoon will stick to the low 70s, while areas that hold out until the afternoon will reach the mid and upper 70s.

Like today, showers will linger behind this system early Monday, but the afternoon will turn sunnier. Highs should stick to the low or perhaps mid 70s.

The front associated with Sunday’s system will get hung up over the southeastern United States. One, or several, low pressure systems may develop along the front and head northeast into the Mid-Atlantic and New England regions. This in turn could bring some additional showers into our region next week.

There remains a great deal of uncertainty with this pattern, but rain looks more likely later in the week instead of earlier.

Temperatures through next week will hold to the 70s but should work back up towards the 80s by the weekend and next week.

More Information:

» Finger Lakes Weather Radar

» Finger Lakes Weather Radar

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finger lakes weather 7-day forecast friday july 30 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected.

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Follow Meteorologist Drew Montreuil:
Meteorologist Drew Montreuil has been forecasting the weather in the Finger Lakes region since 2006 and has degrees in meteorology from SUNY Oswego (B.S. with Honors) and Cornell (M.S.). Drew and his wife have four young boys. When not working or playing with the boys, he is probably out for a run through the countryside.