Little Wabash River Near Effingham flow report

Illinois, USA USGS #03378635 ↗

As of July 15, 2026, Little Wabash River Near Effingham is flowing at 27 cfs with a gage height of 10.63 ft, receding 28% over the past 24 hours. Source: USGS gauge #03378635, refreshed throughout the day.

Stale data This gauge hasn’t reported in days (last reading unknown). The readings below may not reflect current conditions.
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Right now · latest observation
Little Wabash River Near Effingham
USGS gauge #03378635
27 cfs streamflow
Latest reading from this gauge.
Gage height
10.63ft
Water temp
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% of median
Since yesterday
↓ -29%
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Conditions summary

Little Wabash River Near Effingham at a glance

How Little Wabash River Near Effingham is running right now, where it sits on the map, and the key gauge stats.

Little Wabash River Near Effingham is flowing at 27 cfs, with the water sitting 10.63 ft at the gage. Flow is down 28% since yesterday as the gauge recedes.

This is USGS gauge #03378635 in Illinois. Over the past 10 days the average has been 59 cfs, peaking at 159 cfs.

For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Illinois flow report.

Little Wabash River Near Effingham on the map Open map →
Site IDUSGS 03378635
Last updated2026-07-15
Gage height, ft10.63 ft
Streamflow, ft³/s27.0 ft3/s
Max recorded15,600 cfs
Engineering & permitting

Engineering Data

Flow-duration statistics and observed peak-flow context computed from this gauge’s complete daily record (USGS #03378635).

P10 exceedanceexceeded 10% of days
P25 exceedanceexceeded 25% of days
P50 (median)exceeded half of days
P75 exceedanceexceeded 75% of days
P90 exceedanceexceeded 90% of days
Period of recorddaily observations
Conditions report:

Percentiles are flow-duration values computed from this gauge’s observed daily record as archived by Snoflo. Return periods are Weibull plotting-position estimates from observed annual maxima, provided as general reference context only. Always verify against official USGS NWIS records. Part of Snoflo for Engineering.

Streamflow outlook

Streamflow Forecast

Over the next 5 days, Little Wabash River Near Effingham is expected to recede from today's 27 cfs, toward roughly 18 cfs by 2026-07-20 (likely range 3-100 cfs) -- running well below the seasonal normal.

Powered by PULSE — Snoflo’s forecast engine, trained on this gauge’s full record of storms, snowmelt, and dry spells.

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Daily forecast table
DateExpected (p50)Likely range (p25–p75)vs normalProjected stage
Work-window check: flow below cfs
Historical context

How does this compare to past years?

Year-over-year overlay, annual peak discharge, the full distribution of daily flows on record, and the gauge's rating curve.

Detailed forecast

Weather Forecast

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day forecast

Daily temperatures, snow, and rain projected over the next two weeks.

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About this location

Little Wabash River Near Effingham

The river is a tributary of the Wabash River and has several tributaries of its own. There are no major dams on the Little Wabash River. Seasonal trends show that the river experiences higher flows in the spring and lower flows in the summer and fall. The hydrology of the river is not particularly quirky or interesting, but it is an important water source for the region.

Regional streamflow

Nearby streamflow levels

Cross-check Little Wabash River Near Effingham's discharge against nearby gauges to spot whether the change here is local or regional.

Regional snowpack

Nearby snowpack data

Snowpack at SNOTEL stations near Little Wabash River Near Effingham. Spring snowmelt is the dominant driver of streamflow in mountain basins -- a deep snowpack upstream means more runoff later in the season.

SNOTEL stationSnowpack
Effingham 3sw 0 in
Casey 0 in
Clay City 6sse 0 in
Centralia 0 in
Marshall 4.6 W 0 in
Nearby recreation

Plan a trip

Reservoirs, boat launches, river runs, and fishing spots within driving distance of Little Wabash River Near Effingham.

River levels & flood safety

Read the level before you go
A river that's runnable at one flow can be deadly at another. Check current discharge and gage height — like the values shown above — against the flood-stage thresholds, and remember levels can spike fast after rain or a dam release.
Respect cold water
Snowmelt rivers run cold even in summer. Sudden immersion triggers cold-water shock and saps strength within minutes. Wear a PFD, dress for the water temperature (not the air), and never wade or paddle alone.
Watch for swiftwater hazards
Strainers (downed trees), undercut rocks, and low-head dams are the deadliest features on moving water. High, fast, muddy water hides them. If in doubt, scout from shore and portage.
Mind flash floods & releases
Narrow canyons can flood from a storm miles upstream, and dam-controlled reaches can rise without warning. Know the forecast, the release schedule, and your exit before you launch.

Track Little Wabash River Near Effingham in the Snoflo app

Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when Little Wabash River Near Effingham crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.

FAQ

About Little Wabash River Near Effingham

Where does the streamflow data for Little Wabash River Near Effingham come from?

Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 03378635. Snoflo refreshes the time series throughout the day. Forecasts come from the NOAA / yr.no feed Snoflo's iOS app uses.

How often is the report updated?

USGS gauges report continuously (typically every 15 minutes). Snoflo pulls fresh values throughout the day — look for the "as of" timestamp on the streamflow hero card.

What's the difference between discharge and gage height?

Discharge (cubic feet per second, or cfs) is the volume of water flowing past the gauge each second. Gage height is how high the water sits at the gauge (feet). They're related by a rating curve specific to each gauge — higher water means more flow, but the exact ratio depends on channel shape.

How is "percent of median" calculated?

Today's discharge is compared to the historical median discharge on this calendar day across the gauge's full record. 100% = right on median; 200% = a very high year; 30% = a drought-level low.

What are flood stages, and is this river safe right now?

Flood stages are NWS-defined gage-height thresholds — Action, Minor, Moderate, Major — marking when nearby roads or floodplains start to be affected. "Safe" depends on your activity and skill: a level that's a fun paddle for an expert can be lethal for a wader. Always check the current level against the thresholds above and the safety links, and when in doubt, stay off the water.

Can I get alerts when Little Wabash River Near Effingham rises?

Yes — flow alerts are managed in the Snoflo iOS app. Favorite this gauge, set a streamflow threshold (e.g. "alert me when discharge crosses 5,000 cfs"), and you'll get a push the moment USGS reports the crossing.