Tornado Warning Issued for East Central La Salle County, IL

Source: NOAA · La Salle County, Illinois

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NWS Chicago has issued a Tornado Warning for east central La Salle County until midnight CDT due to radar-indicated rotation in a severe thunderstorm.

Read this weather record in 30 seconds

Record type
Tornado Warning
Affected area
La Salle County, Illinois
Issued
August 10, 2026
Issuing authority
NWS Chicago IL

Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

Tornado Warning issued by NWS Chicago IL. Effective from 11:36 PM CDT August 9, 2026 until 12:00 AM CDT August 10, 2026. Severity: Extreme. Urgency: Immediate. Certainty: Observed. Tornado detection: RADAR INDICATED. Max hail size: Up to 0.75 inches.

Affected Areas

East central La Salle County in north central Illinois, including the following locations: Ransom. The storm was located near Streator at issuance, moving east at 20 mph and expected to remain over mainly rural areas.

What You Should Do

TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.

Expected Conditions

Severe thunderstorm capable of producing a tornado. Hazard: Tornado. Source: Radar indicated rotation. Impact: Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely.

Timeline

Alert effective August 9 at 11:36 PM CDT. Expires and ends August 10 at 12:00 AM CDT.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Chicago has issued a Tornado Warning for east central La Salle County until midnight CDT due to radar-indicated rotation in a severe thunderstorm.
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 La Salle County, 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.