Very Warm Thursday
Temperatures are off and running this morning with most areas already near or above 60 degrees at 7 am.
With at least partial sunshine and a gusty south wind, warm air will continue to pump into the Finger Lakes for one of the warmest days yet in 2017.
Many areas will push 80 degrees this afternoon, and the typically warmer northern Finger Lakes should be able to rise into the low 80s. The warmest temperatures will be near and west of Rochester, where are few mid 80s may be possible.
The higher elevations of the southern Finger Lakes and Southern Tier will likely top out in the upper 70s.
There will be a bit of humidity with the warm temperatures with dew points pushing towards 60 degrees. While not humid by summertime standards, it is more humid than it typically is in late April.
Showers and Storms This Evening
That extra bit of humidity will help trigger some showers and thunderstorms this evening as a cold front approaches.
These showers and storms will start to develop over western New York around 6-8 pm tonight and will push into the western Finger Lakes before 9 pm.
Areas along and west of I-390 have the best chance for seeing thunderstorms. A few of those storms could have frequent lightning and some gusty winds.
As the storms roll east, they will weaken as the daytime heating is lost. Most of the remainder of the Finger Lakes will see some showers and an occasional rumble of thunder.
Rain amounts will generally remain fairly light, though a quick quarter or half inch may fall in any of the heavier downpours.
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Pleasant Friday and Saturday
Behind this evening’s cold front, temperatures will retreat back closer to normal for Friday and especially Saturday.
Highs on Friday should still manage to reach or exceed 70 degrees for most of the area. Mid 60s seem more likely for Saturday.
Both days should have a mix of clouds and sun along with dry conditions.
Sunday will turn a bit showery, but temperatures are very uncertain as a sharp frontal boundary moves into the area. Areas north of the front will be in the 50s, while 60s or 70s will be possible south of the front.