909 FXUS61 KCLE 112327 AFDCLEArea Forecast Discussion National Weather Service Cleveland OH 727 PM EDT Thu Sep 11 2025
.SYNOPSIS... High pressure continues to build across the Great Lakes into the Mid- Atlantic region through Saturday. A cold front will move south across the region on Sunday with another area of high pressure building across the Great Lakes region through next week.
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.NEAR TERM /THROUGH FRIDAY NIGHT/... Quiet and dry weather will persist through the near term as high pressure gradually builds east into Quebec. Overnight lows tonight will drop into the upper 40s to lower 50s under a clear sky. Can`t rule out a brief window of patchy fog early Friday morning under light and variable winds. Afternoon highs will rebound into the upper 70s to lower 80s by Friday afternoon. Dew points in the upper 40s to lower 50s will lead to low relative humidity levels in the 30- 40% range on Friday. Northerly winds increase along the lakeshore as a lake breeze sets up Friday afternoon and early evening. Slightly warmer on Friday night with overnight lows settling in the mid 50s.
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.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/... Surface high pressure will be east of the local area as it sets up along the Atlantic Coast by Saturday. High temperatures will once again rise into the upper 70s to lower 80s on Saturday afternoon. By Saturday night a weak cold front will approach the eastern Great Lakes from the north. The front will cross the local area on Sunday with another area of high pressure building overhead behind it. The precipitation forecast associated with the front has trended drier given limited low level moisture. Warmer on with highs ranging between the upper 70s in Northwest Pennsylvania to the upper 80s along the I-75 corridor. Low temperatures each night will settle in the mid 50s to lower 60s on Saturday night.
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.LONG TERM /MONDAY THROUGH THURSDAY/... High pressure returns to the region leading to another window of prolonged quiet and dry weather. High temperatures will generally rise into the low to mid 80s. Some spots along and west of I-71 may rise into the upper 80s. Low temperatures each night will settle in the mid to upper 50s through the week.
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.AVIATION /00Z Friday THROUGH Tuesday/... VFR across the TAF sites this evening with mainly VFR to persist through the TAF period. Only minor change to the TAF package was the addition of a brief window of MVFR vsbys at TOL from patchy fog. Vsbys could trend lower in future TAF packages if confidence increases. Otherwise, high cirrus will begin streaming in from the west by late Friday morning.
Winds will become light and variable overnight. Winds will favor a north to northeast direction late Friday morning and early afternoon, 5 to 10 knots, enhanced by a developing lake breeze.
Outlook...Mainly VFR expected through Tuesday. Low chance of non-VFR from isolated rain showers Saturday night into Sunday.
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.MARINE... Onshore flow with winds to 5 to 10 knots are expected with the lake breeze this afternoon before northeast winds briefly develop tonight. Light and variable winds and possibly light offshore flow with a land breeze are likely Friday morning with another period of onshore winds to 6 to 12 knots anticipated with the lake breeze Friday afternoon into Friday evening. Winds will generally be light and gradually veer to the southwest late Friday into Saturday. A brief period of onshore flow may develop behind a cold front Sunday, but by Sunday night and through Monday, winds will shift to the east/northeast and increase to 8 to 14 knots as high pressure builds over the region. Winds will relax a bit on Tuesday and will most likely remain out of the northeast. At this point, marine headlines are not anticipated on Lake Erie through the next several days.
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.CLE WATCHES/WARNINGS/ADVISORIES... OH...None. PA...None. MARINE...None.
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SYNOPSIS...13 NEAR TERM...13 SHORT TERM...13 LONG TERM...13 AVIATION...Kahn MARINE...15
NWS CLE Office Area Forecast Discussion