812 FXUS61 KILN 092235 AFDILNArea Forecast Discussion National Weather Service Wilmington OH 635 PM EDT Tue Sep 9 2025
.SYNOPSIS... High pressure and dry conditions will persist through much of the week. There will be a gradual warming trend during this time.
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.NEAR TERM /THROUGH WEDNESDAY/... Surface high pressure extends westward into the Ohio Valley this afternoon through tonight. Light easterly winds persist before going light and variable overnight. Skies remain mostly clear through most of the night before some higher clouds move in late due to an upper level shortwave trough. Lows are forecast to be near 50.
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.SHORT TERM /WEDNESDAY NIGHT/... Westward extent of surface high pressure continues to dominate the weather over the Ohio Valley Wednesday through Wednesday night. Light easterly flow continues along with a mostly clear skies. Forecast highs are near 80 and forecast lows are in the middle 50s.
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.LONG TERM /THURSDAY THROUGH TUESDAY/... The middle Ohio River Valley will remain just downwind of a high- amplitude mid-level ridge over the Upper Midwest through much of the extended period. Some slight movement in the orientation of the axis will lead to slow fluctuations in temperature. A very dry atmosphere will stay in place as the general wind flow will have an easterly component through at least Saturday.
Temperatures will start a bit below normal late this week before warming this weekend ahead of a weak cold front sliding south through the Great Lakes.
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.AVIATION /00Z WEDNESDAY THROUGH SUNDAY/... VFR conditions remain in place through the forecast period for all sites except KLUK, which will experience early morning reductions in VSBYs as river valley fog develops. Fog dissipates after sunrise.
Light and variable winds remain in place throughout the TAF period, with a few cu on Wednesday.
OUTLOOK...No significant weather expected.
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.ILN WATCHES/WARNINGS/ADVISORIES... OH...None. KY...None. IN...None.
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SYNOPSIS...Campbell/JGL NEAR TERM...Campbell SHORT TERM...Campbell LONG TERM... AVIATION...CA
NWS ILN Office Area Forecast Discussion