Marine Weather and Tide Forecast for Boston, KY

SHORT TERM /THROUGH FRIDAY/
Issued at 402 PM EST Thu Mar 5 2026

As a low level jet continues to push northeast of the region across Ohio, the bulk of precipitation over southern Indiana and north central Kentucky is coming to an end. This has allowed us to drop the Flood Watch. The warm front is now well north of the CWA
Surface high pressure over the Southeast continues to funnel Gulf moisture north into the Lower Ohio Valley. Precipitable water values are expected to remain between 1.3-1.5", but with less forcing, remaining showers are expected to be scattered to isolated in nature. Activity is expected to decrease overnight under mostly cloudy skies. Warm air advection will keep lows limited to the mid 50s to low 60s.

Tomorrow, ahead of an approaching cold front, an increasing pressure gradient will lead to south winds between 10-20 mph. This warm air advection will help to lift temperatures into the upper 70s to mid 80s as remaining showers push off to the north and skies begin clearing from the south. Expecting a mostly dry day with increasing sunshine.

LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/
Issued at 402 PM EST Thu Mar 5 2026

Saturday, with a sharply amplified upper trough dropping south around a closed low over southern Arizona, southwest flow will push a surface low northeast through the Great Lakes region. The low's trailing north-northeast to south-southwest oriented cold front will push through the Ozarks towards southern Indiana and central Kentucky. Current model guidance has a line of storms arriving during the late morning through early afternoon. Model soundings show MLCAPE values around 500-1200 J/kg with higher instability earlier in the day when near surface lapse rates are more stable and better lapse rates later in the day. Deep layer 0-6 km shear looks to range from 30-40 knots. Besides thunder some stronger storms could produce hail and gusty winds. South winds ahead of the front will likely gust to 20-25 mph, pushing highs into the 70s.

Behind the front, high pressure keeps dry conditions across the CWA through much of Monday before a shortwave interacting with southern moisture pushes precipitation chances back north into southern Kentucky Monday.

By Tuesday and Wednesday (timing slightly varied by model), a surface low dragging a cold front will slide east near the Great Lakes region. The very west to east oriented cold front will drag a line of convection through the CWA This could knock highs in the 70s down into the 50s for Thursday.

AVIATION /18Z TAFS THROUGH 00Z SATURDAY/
Issued at 128 PM EST Thu Mar 5 2026

A low pressure system sits north of the region with fronts extending east and west. This is continuing to produce widespread showers south of the fronts through the Lower Ohio Valley, affecting all area TAF sites. The bulk of today's heaviest rain is expected to become more scattered at HNB and SDF while showers increase over the next few hours at LEX and RGA. BWG will continue to see scattered showers with most of the activity remaining north of the airfield.
For much of the period, ceilings are expected to fall into IFR and MVFR levels over southern Indiana, including at HNB. SDF is currently expected to remain in VFR levels, but falling ceilings will be nearby.

LMK WATCHES/WARNINGS/ADVISORIES
KY...None.
IN...None.