SXUS43 KBIS 191430 RECBIS NDZ001>005-009-010-012-013-017>020-022-023-025-031>033-035>037- 040>044-046>048-050-051-055>062-200000- Recreational Forecast National Weather Service Bismarck ND 930 AM CDT Tue May 19 2026 For Western Lake Sakakawea... .TODAY...West winds around 10 mph. Patchy fog in the morning. Mostly sunny. Highs in the upper 50s. .TONIGHT...Southeast winds 10 to 20 mph. Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 30s. For Eastern Lake Sakakawea... .TODAY...Northwest winds 10 to 20 mph. Slight chance of sprinkles in the morning. Mostly sunny. Highs in the mid 50s. .TONIGHT...Southeast winds 10 to 20 mph. Mostly clear. Lows in the mid 30s. For Northern Lake Oahe... .TODAY...Northwest winds 10 to 15 mph. Slight chance of showers in the morning, then slight chance of sprinkles early in the afternoon. Mostly cloudy. Highs in the mid 50s. .TONIGHT...North winds around 10 mph shifting to the southeast in the late evening and overnight. Areas of frost after midnight. Mostly clear. Lows in the mid 30s. $$