Planning date
Middle Fork of the Salmon River, May 21, 2027
River flow5.31 ft
Daily reading
No daily actual yet — this date is not in the past.
05/21 average
5.31 ft; discharge 6,899 cfs
20-year USGS
Weather & snowStanley, ID · 58° / 29°F · 0.04" · Banner 312 · Banner Summit 312, 05/21 average: 68% of peak melted · 9.5 in SWE
Stanley, ID
05/21 average: 58° / 29°F · 0.04" · 17 years
Middle Fork Lodge
05/21 average: 69° / 37°F · 0.09" · 7 years · averages for future dates only; station ended 2013
Salmon, ID
05/21 average: 67° / 41°F · 0.04" · 20 years
Banner Summit 312
Banner Summit 312, 05/21 average: 68% of peak melted · 9.5 in SWE
Deadwood Summit 439
Deadwood Summit 439, 05/21 average: 40% of peak melted · 26.6 in SWE
Lottery oddsOutside the May 28–Sep 3 lottery season. Season-wide 2025: 1.79%.
2025 lottery
Outside the May 28–Sep 3 lottery season. 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%
Fridays: 2.17%, about 1 in 46
Odds are launches ÷ first-choice applications (2025 USFS). That is date competition, not a personal win rate.