873 
AWUS83 KBIS 131304
RWSBIS
NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-132115-

Regional Weather Forecast
National Weather Service Bismarck ND
804 AM CDT Wed Aug 13 2025 /704 AM MDT Wed Aug 13 2025/

Scattered showers and a few thunderstorms are possible across
eastern Montana and the Dakotas this morning. Isolated to
scattered severe thunderstorms are then possible across South 
Dakota this afternoon and evening. Patchy near surface smoke 
lingers across the east half of the region. High temperatures this
afternoon are forecast from the lower 70s northeast to the upper 
90s in southwest South Dakota.

Chances for showers and thunderstorms linger across the region 
through the week, with highs broadly in the 80s and 90s continuing
through Thursday. Friday and Saturday will be cooler, with a 
slight warming trend for next week.

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