USGS · 06295000

YELLOWSTONE RIVER

USGS · 06295000LIVE

Yellowstone River at Forsyth MT

ROSEBUD COUNTY, MT46.2666°N, -106.6913°W Updated 22 hr ago

FLOW RATE

11,359cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

11,359cfs 30.3% vs avg

Optimal band: 4,872–6,592 cfs

PERIOD HIGH

28,972cfs

PERIOD LOW

3,150cfs

RUNNABLE

40%

last 1 year in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

7.9in

-20% vs normal

7.88 in of precipitation so far this year, 20% below the 30-year normal of 9.81 in for this point in the season.

YTD Total

7.9in

This year so far

Normal to Date

9.8in

30-yr average

Typical Range

6.9–12.6in

10th–90th pct YTD

Departure

-20%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.56" · normal 0.69" (0.3–1.1)

Jan

Feb: 0.76" · normal 0.65" (0.3–1.0)

Feb

Mar: 1.50" · normal 1.08" (0.4–1.9)

Mar

Apr: 1.47" · normal 2.03" (0.9–3.4)

Apr

May: 1.33" · normal 2.76" (0.9–5.6)

May

Jun: 1.98" · normal 2.04" (0.9–3.2)

Jun

Jul: 0.29" (so far)· normal 1.30" (0.2–2.3)

Jul

Aug: normal 1.07" (0.2–2.1)

Aug

Sep: normal 1.29" (0.3–2.5)

Sep

Oct: normal 1.46" (0.6–2.5)

Oct

Nov: normal 0.74" (0.2–1.3)

Nov

Dec: normal 0.61" (0.2–1.3)

Dec

Baseline 1991–2020 · Source: Open-Meteo02:19 PM

Your History · Yellowstone River at Forsyth MT

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Station Location

46.2666, -106.6913

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DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC

Site #06295000·USGS

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