Cool today, warm Friday as front moves through

finger lakes weather forecast thursday april 11 2019 clouds rain warm front temperatures weekend weather
Thursday will be another cool day before temperatures jump for Friday and Saturday/ [Photo by Gwen Moshier]

Temperatures Get Big Boost

A strong storm system over the central Plains will lift northeast over the next two days.

A broad area of warm air is surging north to the east of the low, through the Midwest, Ohio Valley, and Mid-Atlantic. On the leading edge of the warm air, a band of clouds and some precipitation exists.

Most of the precipitation is contained to areas to our west, but a few showers will be possible today as the warm air approaches.

These showers will be most likely through the late morning and early afternoon hours. Many areas will not see any rain. Skies will be cloudy today, but some sunshine will filter through the clouds.

High temperatures today will generally be in the mid to perhaps upper 40s. On average, our temperatures should be in the mid 50s, so this is about 10 degrees below normal.

Temperatures will spend most of tonight in the low and mid 40s before rising around sunrise.

Friday will be very different than today. Strong south winds will gust over 40 mph yet again, propelling temperatures into the mid and upper 60s. A few places, namely along and north of I-90, could break into the low 70s.

A couple isolated showers may pop up during the afternoon with a much more substantial line of rain and thunderstorms arriving from the west during the evening. Localized rainfall amounts could exceed a half-inch.

Nice Saturday Ahead of Next Weather System

Saturday will be another warm day with winds remaining out of the southwest. Winds will not be as strong, but gusts of 25-35 mph will still be possible.

The atmosphere will become very dry during the late morning and afternoon as temperatures reach into the upper 60s once more. Relative humidity values will drop below 40%.

These conditions — warm and windy with very dry air — are ideal for brush fires. Use caution with any potential ignition source, including things as small as cigarettes or sparks.

As a new weather system develops over the Mississippi Valley, high pressure will build into the Upper Great Lakes. This will cause our winds to turn to the north Saturday night, cutting off our supply of warm air.

A little sun may filter through the clouds on Sunday, but temperatures will get stuck in the 40s once again.

That weather system will move to a position over southern Ontario, directly to our west, by Monday morning.

Temperatures will surge well into the 50s Sunday night with gusty southeast winds out ahead of that low.

Conditions are looking increasingly favorable for multiple rounds of thundery downpours which could lead to locally excessive rainfall Sunday night through Monday. This potential will need to be monitored over the next several days.

The weather will quiet down for a couple days towards the middle of next week before the possibility of another potent system late next week.

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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.