Active and at times warm weather this week

finger lakes weather forecast monday april 3 2023 sun clouds frontal boundary rain temperature gradients
Temperatures will be highly variable in both time and space, especially on Tuesday, when some areas may be in the 40s while others are pushing 70 degrees at the same time. [Photo by Gwen Moshier]

Frontal Boundary

A frontal boundary will move into the Finger Lakes this afternoon and stick around for 24-36 hours, leading to some unsettled weather and large temperature differences.

An initial warm front moved through last night without any precipitation. Temperatures warmed slightly during the second half of the night and should quickly rise this morning and afternoon.

Skies are, and will continue to be, mixed with some sunshine mixing in with clouds. A blustery south wind will develop with gusts of 25-35 mph. The strongest gusts will be over the higher elevations.

Temperatures will be between 60-65 degrees for many areas, though a few places east of Cayuga Lake may end up just short of 60 degrees. The amount of sunshine will impact the temperature by a few degrees.

Late in the afternoon, or perhaps not until early this evening, a cold front will drop south and stall over the region. Scattered rain showers will develop initially, but will transfer into a band of steady rain overnight.

This rain may end up staying out of the Southern Tier, instead favoring the northern two-thirds of the region. The southern edge of the rain will likely be near Ithaca, Watkins Glen, and Dansville.

Nighttime temperatures will generally be in the low 40s with light, if not calm winds.

The front will remain parked over the region on Tuesday, but precipitation will taper off before sunrise, leaving just a few scattered showers about. The southern half of the region may break into some sunshine on the warm side of the front as it creeps northward.

Temperatures will be highly variable in both space and time as the front wobbles about. Most areas along and south of I-90 should at least get into the 50s, and where the sun makes it out, temperatures may soar into the 65-70 degree range. Meanwhile, closer to Lake Ontario, highs will likely stick to the 40s.

However, just because these are the forecast high temperatures does not necessarily mean it will be that warm for long, especially for the middle areas not near Lake Ontario but also not in the Southern Tier.

As is often the case when I need to use less descriptive location descriptions, it is intentional due to the nature of the forecast. You can always see exactly what I think for your location by using the free App or the zip-code based forecasts.

finger lakes weather 7-day forecast mon apr 3 | mon, late showers mid 60 | tues, a few showers upper 50 | wed, showers and t-storms near 70 | thur, morning showers near 50 | fri, sun and clouds mid 40 | sat, mostly sunny upper 40 | sun, mostly sunny mid 60
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Wednesday Storms, Gradual Cool Down

The front will sink south for a time Tuesday evening before quickly moving far to the north on Wednesday as low pressure tracks into the Great Lakes region.

Some blustery south winds will return on Wednesday, accompanied by temperatures at least rising into the 60s.

There may be multiple chances for showers and thunderstorms on Wednesday. A few of the storms could have damaging winds. Much of the area is already in a Level 2—SLIGHT risk from the Storm Prediction Center, though there are still plenty of uncertainties to resolve.

The cold front associate with the low will not move through until after midnight Wednesday night. This should lead to the warmest temperatures on Thursday coming in the morning with upper 50s. Much of Thursday will be closer to 50 degrees, though.

Some morning showers are likely on Thursday, but with a dry afternoon. Some sunshine may even be able to work its way out.

Quiet weather will then take over as high pressure builds in for several days. Friday will have a mix of sun and clouds with blustery northwest winds. Gusts over 30 mph are likely, which will help hold temperatures in the 40s.

Saturday should be mostly sunny. Northwest winds will remain but will be much lighter. Temperatures will not warm much, with highs only a couple of degrees warmer than on Friday.

South winds should return by Easter Sunday, pushing highs back toward the 60s. It should be a dry day with a good deal of sunshine.

Temperatures next week should mostly bounce around the 50s as some unsettled weather moves back into the region. Both snow and thunderstorms look unlikely, with just typical April Showers expected.

There are indications of a warm up towards the middle of April, which could easily mean that our chances for accumulating snow are coming to a close, pending any sneaky late season events that tend to flare up every couple of years.

More Information:

» Finger Lakes Weather Radar

» Finger Lakes Weather Radar

» Zip Code Forecasts

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finger lakes weather 7-day forecast mon apr 3 | mon, late showers mid 60 | tues, a few showers upper 50 | wed, showers and t-storms near 70 | thur, morning showers near 50 | fri, sun and clouds mid 40 | sat, mostly sunny upper 40 | sun, mostly sunny mid 60
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.