FXUS61 KILN 091735 AFDILN Area Forecast Discussion National Weather Service Wilmington OH 135 PM EDT Fri May 9 2025 .SYNOPSIS... Surface high pressure will bring dry conditions through the weekend, with warming temperatures by Sunday. Showers and storms will return to the area for the first half of the week, as an upper trough moves northeast through the region, bringing slightly cooler temperatures. Another warming trend is expected for the end of next week. && .NEAR TERM /THROUGH TONIGHT/... Surface high pressure will build south into our region through this afternoon. In north-northeast flow, temperatures will remain cool with afternoon highs in the low to mid 60s. With some lingering shallow low level moisture and the weak CAA, some scattered fair weather cu development will also be possible today. && .SHORT TERM /SATURDAY/... Dry weather will continue through Saturday, as an area of surface high pressure will be in place over the Ohio Valley. Skies will remain clear to mostly clear. A weak cold front is expected to move south through the Great Lakes on Saturday, but it will be falling apart as it gets closer to the Ohio Valley late Saturday into Saturday evening, with no impact to the weather expected. Low temperatures Saturday morning will generally be in the lower 40s, though some upper 30s will be possible in outlying areas in central Ohio. Slightly warmer temperatures are then expected Saturday, with highs in the lower 70s. && .LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/... Surface high pressure will continue to dominate the Ohio Valley through the remainder of the weekend, but shifting east, and allowing for southerly return flow and warming trend through the latter part of the weekend and into the next work week. Highs on Sunday will increase into the mid-upper 70s, and approach 80 by Monday. Upper low over the lower MS valley will lift into the lower Ohio Valley beginning on Monday, bringing a chance for precip mainly affecting areas south of I-70. By Tuesday and into Wednesday, increased moisture and some instability will bring the potential for showers/storms through the mid Ohio Valley. A brief respite in the precip chances Wednesday night into early Thursday, as the upper low continues to shift eastward. A growing signal for well above normal temperatures by Thursday into Friday with H5 heights nearing 580/more typical of mid summer, which could bring mid 80s into the region and possibly warmer on Friday. A strong upper low over the northern plains by Thursday, along with the mid Ohio Valley being positions at the top edge of the strong ridge centered over the Gulf Coast states sets up a pattern for ridge riding precip for Thursday into Friday. && .AVIATION /18Z FRIDAY THROUGH WEDNESDAY/... High pressure will remain in place across the region tonight into Saturday. This will lead to dry conditions and VFR conditions through the TAF period. OUTLOOK...Thunderstorms possible at times Monday afternoon into Wednesday. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...None. KY...None. IN...None. && $$ SYNOPSIS...Hatzos NEAR TERM...JGL SHORT TERM...Hatzos LONG TERM...JDR AVIATION...JGL