Nivelmap
EN

How to read levelsSources and methods

North America

Western Europe

Central Europe

Mediterranean

Nordic countries

Casey Fork at Mount Vernon water level

River gauge, Casey Fork, Illinois, United States

Directions

Normal for mid-October

Water level

1.66ft Up 0.08 ft over the last 24 hours

Flow
2.6 cfs
2 3

History

23ftOct 11Oct 12Oct 14Oct 15Oct 1723ftOct 11Oct 14Oct 17
123ftSep 18Sep 25Oct 2Oct 10Oct 17123ftSep 18Oct 2Oct 17
510ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026510ftOct 2025Apr 2026Oct 2026
510ftJanMarMayJulSepNov2026510ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

Casey Fork at Mount Vernon is at 1.66 ft, in the normal range for mid-October.

That puts it 0.02 ft below the median of 1.68 ft for mid-October, based on 33 years of readings. A year ago it stood at 1.64 ft (+0.02 ft).

It has risen 0.08 ft over the past 24 hours. In the last month it has stayed between 1.51 ft and 2.17 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 33 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1.68 ft0.02 ft below the median for this date
Normal for this date
1.23 ft – 2.94 ft8 years in 10 fall in this range (33 years of records)
Same day last year
1.64 ft+0.02 ft
Lowest and highest in 30 days
1.51 ft – 2.17 ft
Lowest and highest in 12 months
1.46 ft – 9.56 ft

Floating and fishing near Casey Fork at Mount Vernon

Normal flows mean predictable rapids and good access at most put-ins.

Weather at the gauge

Rain in the last 3 days: 1.44 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 59° 44° – Wind 11 mph
18 Sun 65° 38° – Wind 9 mph
19 Mon 71° 47° – Wind 6 mph
20 Tue 72° 50° – Wind 6 mph
21 Wed 73° 51° – Wind 6 mph
22 Thu 76° 53° – Wind 7 mph
23 Fri 76° 55° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:07 AM Sunset 06:16 PM Daylight 11 hr, 9 min First quarter 41%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Rayse Creek near WaltonvilleRiver gauge, Rayse Creek 1.25 ft Normal −0.04 ft 9 mi
Skillet Fork at Wayne CityRiver gauge, Skillet Fork 4.04 ft Very low +0.09 ft 16 mi
Big Muddy River at PlumfieldRiver gauge, Big Muddy River 2.54 ft Low +0.03 ft 28 mi
East Fork Kaskaskia River near SandovalRiver gauge, East Fork Kaskaskia River 2.43 ft Normal −0.02 ft 30 mi
Little Crooked Creek near New MindenRiver gauge, Little Crooked Creek 5.19 ft Normal −0.35 ft 31 mi
Kaskaskia River at CarlyleRiver gauge, Kaskaskia River 5.71 ft Low +0.01 ft 34 mi
Little Wabash River near Golden GateRiver gauge, Little Wabash River 5.45 ft Normal −0.08 ft 35 mi
Crab Orchard Creek near MarionRiver gauge, Crab Orchard Creek 0.65 ft Very low −0.03 ft 38 mi

Questions and answers

How does Casey Fork at Mount Vernon compare with last year?

It is 0.02 ft higher than on the same day last year, when the reading was 1.64 ft.

What is a normal level for Casey Fork at Mount Vernon in mid-October?

The median for mid-October is 1.68 ft. In 8 years out of 10 the reading falls between 1.23 ft and 2.94 ft, based on 33 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Casey Fork at Mount Vernon today?

On Oct 17, 2026, 09:00 AM CDT, the water level was 1.66 ft. Up 0.08 ft over the last 24 hours.

Is Casey Fork at Mount Vernon rising or falling?

Up 0.08 ft over the last 24 hours. Up 0.07 ft over the last 7 days.

Is the level of Casey Fork at Mount Vernon normal?

Normal for mid-October. Compared with 33 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:05595820 (Agency page)
Coordinates
38.28667, -88.87222 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 1.66 ft 2026-10-17 14:00 Provisional
Flow 2.6 cfs 2026-10-17 14:00 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: Casey Fork at Mount Vernon (usgs:05595820). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-states/illinois/casey-fork-at-mount-vernon

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer