National Weather Service United States Department of Commerce

Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. 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.