Planning date
Middle Fork of the Salmon River, August 31, 2027
River flow1.73 ft
Daily reading
No daily actual yet — this date is not in the past.
08/31 average
1.73 ft; discharge 667 cfs
20-year USGS
Weather & snowStanley, ID · 76° / 31°F · 0.01" · Banner 312 · Banner Summit 312, 08/31 average: 100% of peak melted · 0.0 in SWE
Stanley, ID
08/31 average: 76° / 31°F · 0.01" · 18 years
Middle Fork Lodge
08/31 average: 77° / 43°F · 0.02" · 6 years · averages for future dates only; station ended 2013
Salmon, ID
08/31 average: 82° / 46°F · 0.06" · 20 years
Banner Summit 312
Banner Summit 312, 08/31 average: 100% of peak melted · 0.0 in SWE
Deadwood Summit 439
Deadwood Summit 439, 08/31 average: 100% of peak melted · 0.0 in SWE
Lottery oddsNo 2025 data for this launch date. Season-wide 2025: 1.79%.
2025 lottery
No 2025 data for this launch date. Season-wide 2025: 1.79%.
Day-of-week context (2025)
Days with the best odds: Saturday 2.81%, Friday 2.17%
Days with the worst odds: Monday 1.05%, Tuesday 1.54%
Tuesdays: 1.54%, about 1 in 65
Odds are launches ÷ first-choice applications (2025 USFS). That is date competition, not a personal win rate.