The National Weather Service in Cleveland has forecasted a notable chill descending across northern Ohio and northwest Pennsylvania. According to the latest area forecast discussion, residents should expect "unusually-cold air mass" and persistent lake-effect cloudiness as a trough moves eastward and a ridge builds from the Upper Midwest, setting the stage for cooler late summer temperatures and increased cloud cover through Tuesday. NWS Cleveland report indicated that "850 mb temperatures falling from near 12C to near 6C over the ~24C lake surface" are anticipated to contribute to the ongoing lake-effect weather phenomenon.
Cleveland-area residents might wish to keep jackets at hand as late afternoon temperatures are projected to only reach the 60s to 70F in parts of the region. The NWS also warns of the potential for "isolated lake-enhanced/effect rain showers." However, they are expected to cease by this evening, with good weather conditions predicted for the rest of the near-term period. Meanwhile, beachgoers should exercise caution as a Beach Hazards Statement is in effect due to strong north-to-northwest winds, according to the same briefing.
Looking ahead, an upper-level low is set to move south across the eastern Great Lakes, only reinforcing the chilly air already in place through midweek. "This upper-low will only reinforce the cold airmass and below normal temperatures," the NWS detailed, with temperatures persisting below the usual well into Wednesday night. However, forecasts suggest a gradual shift with surface high-pressure building by Thursday and temperatures beginning to climb, though they remain below what is typically expected this time of year.
As the weekend approaches, high pressure is anticipated to shift east, allowing temperatures to warmly rebound into the 80s by Saturday and Sunday, so Cleveland residents can look forward to putting away their jackets soon enough. The NWS forecast assures that precipitation is unlikely as an upper-level ridge begins to assert itself from the west. So, despite the current chill, the region seems to slowly but surely return to more typical summer warmth as the week progresses.
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