USGS · 05555300

VERMILION RIVER

USGS · 05555300LIVE

VERMILION RIVER NEAR LEONORE, IL

LASALLE COUNTY, IL41.2083°N, -88.9306°W Updated 47 min ago

FLOW RATE

1,260cfs

GAUGE HT

6.07ft

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

1,260cfs 119.1% vs avg

Optimal band: 1,360–1,840 cfs

PERIOD HIGH

2,210cfs

PERIOD LOW

1,260cfs

RUNNABLE

56%

last 1 day in band

Gauge Height

6.07ft

Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

25.4in

+21% vs normal

25.43 in of precipitation so far this year, 21% above the 30-year normal of 20.99 in for this point in the season.

YTD Total

25.4in

This year so far

Normal to Date

21.0in

30-yr average

Typical Range

15.5–26.2in

10th–90th pct YTD

Departure

+21%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.50" · normal 2.11" (1.0–3.3)

Jan

Feb: 0.34" · normal 1.99" (0.7–3.3)

Feb

Mar: 5.76" · normal 2.76" (1.5–4.1)

Mar

Apr: 5.90" · normal 4.13" (2.8–6.1)

Apr

May: 1.66" · normal 4.68" (2.0–7.3)

May

Jun: 7.81" · normal 4.27" (1.8–7.1)

Jun

Jul: 2.46" (so far)· normal 3.83" (1.6–5.9)

Jul

Aug: normal 3.43" (1.4–5.7)

Aug

Sep: normal 3.04" (1.3–5.4)

Sep

Oct: normal 3.00" (1.4–6.0)

Oct

Nov: normal 2.59" (1.4–4.6)

Nov

Dec: normal 2.16" (1.1–3.9)

Dec

Baseline 1991–2020 · Source: Open-Meteo10:32 PM

Your History · VERMILION RIVER NEAR LEONORE, IL

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Station Location

41.2083, -88.9306

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DATA · USGS · NOAA · NWSUPDATED 2026-07-08 21:45 UTC

Site #05555300·USGS

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