USGS · 12377150

MISSION CREEK

USGS · 12377150LIVE

Mission Creek ab reservoir nr St. Ignatius MT

LAKE COUNTY, MT47.3202°N, -113.9879°W Updated 19 hr ago

FLOW RATE

108cfs

AIR TEMP

67°F

WIND

3mph N

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

108cfs 5.8% vs avg

Optimal band: 120–162 cfs

PERIOD HIGH

343cfs

PERIOD LOW

108cfs

RUNNABLE

50%

last 7 day in band

Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

22.9in

+24% vs normal

22.94 in of precipitation so far this year, 24% above the 30-year normal of 18.58 in for this point in the season.

YTD Total

22.9in

This year so far

Normal to Date

18.6in

30-yr average

Typical Range

14.3–22.4in

10th–90th pct YTD

Departure

+24%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.45" · normal 2.88" (1.7–4.1)

Jan

Feb: 2.09" · normal 2.43" (1.2–3.7)

Feb

Mar: 5.13" · normal 2.82" (1.6–4.4)

Mar

Apr: 4.04" · normal 3.09" (1.9–4.4)

Apr

May: 3.90" · normal 3.42" (2.2–4.6)

May

Jun: 6.29" · normal 3.81" (1.9–5.7)

Jun

Jul: 0.04" (so far)· normal 1.14" (0.3–2.4)

Jul

Aug: normal 1.22" (0.3–2.3)

Aug

Sep: normal 1.94" (0.7–3.5)

Sep

Oct: normal 2.87" (0.9–4.5)

Oct

Nov: normal 3.05" (1.6–5.0)

Nov

Dec: normal 2.94" (1.9–4.0)

Dec

Baseline 1991–2020 · Source: Open-Meteo07:15 PM

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Station Location

47.3202, -113.9879

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DATA · USGS · NOAA · NWSUPDATED 2026-07-02 19:18 UTC

Site #12377150·USGS

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