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JAMESTOWN – Clouds are on the increase this afternoon as a weak boundary will trigger off a few showers this afternoon. Some storms will be possible tonight before it turns much colder for the end of the week with some snow showers possible on Friday.
After a partly to mostly sunny start to the day, clouds have started thickening up from west to east in advance of the boundary. A few scattered showers will be possible through the remainder of the afternoon with areas of cloudiness in between. It will remain mild with highs 56 near the immediate Lake Erie shoreline to 64 inland.
The NOAA Storm Prediction Center has outlined for western Chautauqua County and northwestern Pennsylvania under a low-end Marginal Risk (level 1/5) for severe thunderstorms this evening.
As a low associated with that boundary moves right through the region tonight, showers and thunderstorms will increase in coverage. Some of them could contain heavy downpours at times along with gusty winds and small hail.
It will remain quite mild through the overnight with patchy fog setting up overnight. Lows 47 to 52.
Rain will continue through the day on Wednesday in pockets with locally areas of dense fog in the morning. Highs 50 to 57.
As head into Thursday, a big shift in the weather pattern will begin to take place with another storm system moving close to the region in the upper Great Lakes. Temps will stay nearly steady throughout the day in the upper 40’s.
As the storm begins to drag in colder air, some rain and snow showers will be possible Thursday night into Friday. We may actually change over to a period of all snow through the day on Friday with highs only in the mid 30’s.
We’ll squeeze out a mainly dry day on Saturday before another chance of showers returns on Easter Sunday with high in the mid 40’s.
We’ll start next week rather chilly with a few scattered showers on Monday with highs nearing 50.
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