SXUS43 KBIS 181730 RECBIS NDZ001>005-009-010-012-013-017>020-022-023-025-031>033-035>037- 040>044-046>048-050-051-055>062-190000- Recreational Forecast National Weather Service Bismarck ND 1230 PM CDT Mon May 18 2026 For Western Lake Sakakawea... .REST OF TODAY...North winds 10 to 20 mph. Cloudy. Highs in the mid 40s. .TONIGHT...North winds 10 to 20 mph. Slight chance of showers through the night. Mostly cloudy. Lows in the lower 30s. For Eastern Lake Sakakawea... .REST OF TODAY...North winds 10 to 20 mph. Cloudy. Highs in the mid 40s. .TONIGHT...North winds 10 to 20 mph. Slight chance of showers through the night. Cloudy. Lows in the lower 30s. For Northern Lake Oahe... .REST OF TODAY...North winds 10 to 20 mph. Showers likely. Cloudy. Highs in the upper 40s. .TONIGHT...Northwest winds 10 to 20 mph. Chance of showers. Mostly cloudy. Lows in the mid 30s. $$