The air currents are stirring once more, as a boundary hovering near the Ohio River is expected to nudge northward during the day, hitting north of Interstate 70 and bringing with it a surge in temperatures and wind gusts across Columbus and Cincinnati. The National Weather Service predicts this will happen before the boundary retreats southward and dissipates tonight. Rising mercury points to near-record highs, with Columbus possibly hitting 71 degrees, just shy of 1990’s record of 75, while Cincinnati might equal its 1990 record of 76 degrees.
As the boundary sags south tonight and eventually washes out, Ohioans can expect a split in temperature profiles, with cooler lows reaching the 30s in the north and more balmy 50s down south. While winds and the threat of wildfire conditions are set to decline, with humidity inching higher and winds calming from yesterday’s bustle, fire danger remains on the margins. According to NWS, “The fire weather threat is not zero, however the threat does appear more marginal.”
Looking ahead to Thursday, attention shifts to a meandering disturbance that promises to trail along the fading boundary, sparking the potential for showers and perhaps the rumble of thunderstorms. “There will some instability during the afternoon and early evening hours and therefore due to this have a thunderstorm mention in the forecast as well during this time,” the NWS observed, not surprised to see variability in model forecasts pinpointing the exact plots for the incoming precipitation…