News Releases

4 Jul 2024

System operations returning to normal post flooding

Significant rainfall led to an above average runoff in the upper Missouri River Basin. June runoff was 6.6 million acre-feet, which is 119% of average and 2.6 MAF higher than forecast. A strong weather system moved into the basin on June 21 producing excessive rainfall in eastern South Dakota, north central and northeastern Nebraska, and northwestern Iowa. The rainfall totals exceeded 600% of normal over the 24-hour period.

4 Jun 2024

May runoff slightly above average; Fort Peck flow test continues

Active rainfall patterns across the Midwest provided much needed moisture to several portions of the Missouri River Basin. Large areas of Montana, North Dakota, Wyoming, eastern South Dakota, and eastern Nebraska received more than 200% of normal precipitation for the month of May. However, central South Dakota, western Nebraska, and eastern Colorado received as little as 25% of normal precipitation.

3 May 2024

Missouri River Basin runoff forecast improves but remains below average; Fort Peck Flow Test underway

As warmer weather moves into the Missouri River Basin, spring precipitation brought some much-needed moisture throughout the basin. For the month of April, runoff was 2.1 million acre-feet, 71% of average, for the basin above Sioux City, Iowa. The annual runoff forecast for the upper Missouri River Basin above Sioux City is 19.2 MAF, 75% of average, and 1.7 MAF higher than last month’s forecast.

8 Apr 2024

Upper basin runoff forecast improves, remains below average; Fort Peck test flows to begin in late April

The latest 2024 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa

15 Mar 2024

Missouri River Basin spring public meetings announced

Public Meetings are held each spring and fall across the Missouri River basin. Upper Basin spring public meetings will be held the week of March 25 in North Dakota, South Dakota, and Montana.

7 Mar 2024

Despite early runoff, upper basin runoff forecast below average; Gavins Point releases to increase for navigation flow support

A warm February led to increased snowmelt and runoff in the Missouri River Basin above Sioux City, Iowa. February runoff was 1.8 million acre-feet, 161% of average with above average runoff in every reach except Sioux City, which was near average. However, the updated 2024 calendar year runoff forecast for the basin continues to be below average.