Table Summary of Reports

Operating Instructions for
8-22-2026 (updated 2026-08-21 20:30:19)
8-22-2026
Max Predicted Air Temp 12:
  31.1 °C
  88.0 °F
8-21-2026
Max Observed Release Temp 12:
  20.4 °C
  68.7 °F
Peak Flow: 1550 cfs

Peak flows will be achieved by 6:00 AM and maintained through 12:00 noon. Timing of flow changes will depend on conditions before the pulse flow is initiated and will be managed by NorthWestern Energy. FERC required bypass changes for flow reductions are limited to 100 cfs per hour between 100 cfs and 600 cfs in the bypass channel.


Operating Instructions for
8-21-2026 (updated 2026-08-20 20:29:25)
8-21-2026
Max Predicted Air Temp 12:
  32.8 °C
  91.0 °F
8-20-2026
Max Observed Release Temp 12:
  20.6 °C
  69.1 °F
Peak Flow: 1200 cfs

Peak flows will be achieved by 6:00 AM and maintained through 12:00 noon. Timing of flow changes will depend on conditions before the pulse flow is initiated and will be managed by NorthWestern Energy. FERC required bypass changes for flow reductions are limited to 100 cfs per hour between 100 cfs and 600 cfs in the bypass channel.