USGS · 06918740

LITTLE SAC RIVER

USGS · 06918740LIVE

Little Sac River near Morrisville, MO

POLK COUNTY, MO37.4829°N, -93.4856°W Updated 20 hr ago

FLOW RATE

392cfs

AIR TEMP

95°F

WIND

8mph SSW

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

392cfs 378.4% vs avg

Optimal band: 699–945 cfs

PERIOD HIGH

7,025cfs

PERIOD LOW

392cfs

RUNNABLE

13%

last 7 day in band

Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

30.8in

+34% vs normal

30.83 in of precipitation so far this year, 34% above the 30-year normal of 23 in for this point in the season.

YTD Total

30.8in

This year so far

Normal to Date

23.0in

30-yr average

Typical Range

18.0–29.3in

10th–90th pct YTD

Departure

+34%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.29" · normal 2.39" (0.8–4.1)

Jan

Feb: 1.53" · normal 2.34" (0.5–4.3)

Feb

Mar: 4.64" · normal 3.74" (2.2–6.0)

Mar

Apr: 6.72" · normal 4.94" (2.9–7.3)

Apr

May: 7.85" · normal 5.36" (2.9–8.0)

May

Jun: 8.64" · normal 3.91" (1.8–6.2)

Jun

Jul: 0.17" (so far)· normal 3.28" (0.9–5.4)

Jul

Aug: normal 2.97" (1.4–4.7)

Aug

Sep: normal 3.73" (1.3–7.0)

Sep

Oct: normal 3.65" (1.2–7.0)

Oct

Nov: normal 3.15" (1.3–5.8)

Nov

Dec: normal 2.56" (1.2–3.7)

Dec

Baseline 1991–2020 · Source: Open-Meteo08:33 PM

Your History · Little Sac River near Morrisville, MO

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Station Location

37.4829, -93.4856

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DATA · USGS · NOAA · NWSUPDATED 2026-07-02 20:36 UTC

Site #06918740·USGS

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