Trip Planner · Historical Flow Data

Pick the
perfect day.

Each square is color-coded by how many of the 10 Ozark rivers are historically in their ideal CFS range for that day of year. Pick a date range to see a summary. Tap any square for a per-river breakdown.

Pick a date or range above — the calendar highlights your window and summarizes expected conditions.
Stellar · ≥70% of rivers in range Good · 50–70% Mixed · 30–50% Poor · 10–30% Rare · <10% Awaiting data
Forecast badges: CLR Clear PC Partly cloudy CLD Overcast FOG Fog DRZ Drizzle RAIN Rain SHW Showers SNW Snow STM Thunderstorm N% Chance of precipitation
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Pulling 15 years of USGS daily-mean flow data…