The Finger Lakes will experience another comfortable day today, not too dissimilar to yesterday.
High pressure across the Ohio Valley stretches back into the southern Plains and will be the primary influence on our weather today.
Skies are starting mostly clear this morning with cool temperatures in the low and mid 50s. As the sun warms the ground, fair weather clouds will bubble up. There may be quite a few small cumulus clouds today, especially in the northeastern Finger Lakes during the late morning and early afternoon.
However, no rain is expected from any of these clouds, which will gradually dissipate through the latter half of the afternoon.
The one main difference between today and yesterday will be wind speeds. While the wind will still be out of the northwest, speeds will be lower at around 5 mph. Top gusts on the day will be around 15 mph.
Temperatures will end up in the same ballpark as yesterday, if not a degree or two cooler. Most areas should make it into the mid 70s, though getting much beyond 75 degrees may be difficult. Higher elevations and the shore of Lake Ontario will be in the low 70s.
Skies will be mostly clear tonight before some thin clouds move in during the predawn hours. Overnight lows will be in the low and mid 50s as a slight southerly breeze picks up after calm evening winds.
A weak disturbance will pass through on Wednesday. This should lead to a slight increase in the number of fair weather clouds during the late morning and afternoon hours. A couple of these may produce some isolated, brief, light rain showers in the afternoon. Most areas will probably not see rain, and those that do should see minimal amounts. Individual showers, if they develop, should last mere minutes before moving on.
Temperatures will get a small boost on Wednesday thanks to the south and southwest winds through the morning. Highs will be in the upper 70s to near 80 degrees. The wind will turn more westerly for the afternoon as the disturbance moves through.
Hotter temperatures will work their way back into the area for another brief stay.
High pressure will track through the region Wednesday night and to the Mid-Atlantic coast on Thursday. This will bring southwest winds back to the area.
With plenty of sunshine on Thursday, temperatures should be able to reach their full potential. Look for highs to push into the mid 80s with pockets of upper 80s from Rochester to Geneva to Penn Yan to Dansville, excluding the Bristol Hills and shore of Lake Ontario. Cortland County will also be a touch cooler, with highs in the low 80s.
Thursday night will be mild, with lows only getting into the mid 60s. Southwest winds will increase to 5-10 mph overnight.
That will get Friday off to a running start with temperatures quickly rising through the morning. Afternoon highs should be near or slightly above 90 degrees for many areas. A few mid 90s are not out of the question, either.
It will be a dry heat, though, with afternoon dewpoints possibly not getting much higher than 50. That would keep relative humidity values very low between 20-30 percent. The dewpoint will increase Friday night and into Saturday as a cold front moves in.
Showers and thunderstorms will be possible as early as the overnight hours Friday and will persist into Saturday. A lull in the precipitation looks possible during the mid to late morning before the afternoon activity redevelops. This redevelopment is most likely over the southern half of the region.
With the clouds and showers around, highs Saturday will be locked into the 70s. However, temperatures will bounce right back, with highs in the 80s Sunday and Monday. Both days should be sunny and dry.
A thunderstorm complex or complexes may move through sometime toward the middle of next week but remains highly uncertain at this time. There is at least a chance for some heavy rain, though.
Temperatures do not look overly hot over the next couple of weeks, with highs mostly in the 70s and occasionally 80s.
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This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected.
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