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City of Ottawa IL
Monday April 13th, 2026 :: 01:31 p.m. CDT

Alert

The National Weather Service in Chicago has issued a Severe Thunderstorm Warning for Central La Salle County in north central Il

The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for...
  Central La Salle County in north central Illinois...

* Until 215 PM CDT.

* At 124 PM CDT, a severe thunderstorm was located near Oglesby, or
  near La Salle, moving east at 30 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Ottawa, Peru, La Salle, Marseilles, Oglesby, Seneca, North Utica,
  Tonica, Naplate, and Dayton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Instructions:

For your protection move to an interior room on the lowest floor of a
building.

Address/Location
City of Ottawa IL
301 W Lafayette St
Ottawa, IL 61350

Contact
Emergency: 9-1-1
Non-emergencies: 815-433-2131

TEXT-A-TIP -  Text TIP OTTAWAIL followed by your message, to 888777

Submit an anonymous web tip

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

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