AWUS83 KBIS 270310 RWSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-271115- Regional Weather Forecast National Weather Service Bismarck ND 1010 PM CDT Sun Oct 26 2025 /910 PM MDT Sun Oct 26 2025/ Rain will develop over southeast Montana and the western Dakotas early tonight, and spread north and east through the overnight hours. Lows tonight will range from the lower 30s northwest to the lower 50s southeast. Widespread chances for showers and even a few thunderstorms continue through the day Monday. Highs Monday will be mainly in the 40s and 50s. Rain chances taper off over the eastern half of the Region on Tuesday, then mostly dry conditions are expected through the rest of the work week. Temperatures remain cooler through the work week, but actually closer to normal for late October, with highs in the 40s and 50s and lows in the 20s and 30s. $$