Flood Warning Issued for Bureau, La Salle, and Putnam Counties in Illinois

Source: NOAA · North-Central Illinois

This alert is no longer in effect.

NOAA issued it on April 17, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

A Flood Warning has been issued by NWS Chicago IL for Bureau, La Salle, and Putnam counties in Illinois, with minor flooding expected along the Illinois River starting Saturday morning.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
North-Central Illinois
Issued
April 17, 2026
Issuing authority
NWS Chicago IL

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in North-Central Illinois.

Alert Details

A Flood Warning has been issued by the National Weather Service (NWS) Chicago IL. This alert is for minor flooding and is effective from Saturday morning until further notice.

Affected Areas

The warning affects Bureau County, IL; La Salle County, IL; and Putnam County, IL. Specifically, it impacts the Illinois River from Starved Rock Lock and Dam downstream to the confluence with Big Bureau Creek, including the La Salle gauge.

What You Should Do

Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. Avoid areas at risk of flooding.

Expected Conditions

Minor flooding is forecast. The river stage is currently at 19.5 feet and is expected to rise above the flood stage of 20.0 feet late Saturday morning, cresting at 23.2 feet on Monday morning.

Timeline

The alert is in effect from Saturday morning, specifically from 9:00 AM CDT on April 18, 2026, until further notice.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Flood Warning has been issued by NWS Chicago IL for Bureau, La Salle, and Putnam counties in Illinois, with minor flooding expected along the Illinois River starting Saturday morning.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects North-Central Illinois. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.