A couple of rounds of showers will swing through the Boston area from Thursday into Friday morning.
First a front, then a weak storm riding along the front will swing through the area, producing the sporadic rainfall.
Despite the seemingly wet offing, the vast majority of the time will be free of rain through Friday. Total rainfall through Friday morning is likely to be around one-quarter of an inch.
When the rain falls, most of it will not be heavy. However, with any downpour in urban areas, there is a risk of brief poor-drainage area flooding and travel delays.
In between the showers, the sun can peek out.
Temperatures will average 5 to 10 degrees above normal most days into the weekend. During the middle of October, daytime highs average close to 60 with nighttime lows in the middle 40s.
A budding tropical disturbance has the potential to strengthen significantly and reach Florida and the Bahamas with strong winds, coastal flooding and torrential rainfall during Sunday and Monday.
Regions dealing with Zika-carrying mosquitoes could have another threat to monitor as tropical activity picks up this season.
Showers threaten to put a damper on some festivities during the late summer bank holiday, especially early in the weekend.
Rounds of showers and thunderstorms will bring the potential for flash flooding and localized damaging wind gusts through Thursday.
One of the most widespread and intense heat waves of the summer will be entrenched across most of Germany through the weekend.
Philadelphia, PA (1972)
Last of 25 straight days without measurable rain.
Sturtevant, IN (2001)
A tornado 3 miles north-northwest of town. The tornado destroyed a hay barn with a horse trailer pushed out the back of the barn. A power pole was snapped off and wires were downed near Old Highway 11. A speed trailer near Highway 11 and I-94 was destroyed. Large barricades were lifted from the south side of Highway 11 and moved to the north side. Total losses exceeded $30,000. The path length of the tornado was 3 miles.
Washington, D.C. (1814)
Tornado struck part of Washington, D.C., killing many British soldiers who were burning the capitol.