National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Halloween in the Black Hills region has a reputation of being a cold, stormy night. But do the weather records support this claim? This data shows October weather is highly variable as the seasons transition from fall to winter. Take the last three years as an example: In 2023, trick or treating time was characterized by dry and chilly weather. A year earlier, Halloween was warm and dry with highs in the 60s, whereas 2021 brought cool and unsettled conditions, including some light snow.

Because conditions can change drastically from day to day and year to year, keep track of the forecast and prepare for whatever elements are predicted this Halloween.