Weather

Severe Weather Alert: Severe Thunderstorm Watch for northwest Indiana

An official National Weather Service Severe Thunderstorm Watch is active for northwest Indiana.

By Jessica Storm · June 25, 2026
Email Reporter
Severe Weather Alert: Severe Thunderstorm Watch for northwest Indiana
CGN News / Cook Global News Network / CGN Severe Weather Brief / All Rights Reserved

VALPARAISO | An active Severe Thunderstorm Watch is in effect for northwest Indiana. CGN News is publishing this alert because official National Weather Service alert data includes one or more CGN coverage areas: Lake County, Indiana, Jasper County, Indiana and Porter County, Indiana.

What is active now

The primary active alert is Severe Thunderstorm Watch with NWS severity listed as Severe, urgency listed as Future and certainty listed as Possible.

The alert became effective 24 June 2026 at 8:27 PM EDT. The current listed expiration or ending time is 24 June 2026 at 11:00 PM EDT. Readers should rely on the latest county-specific National Weather Service alert before making safety decisions.

Current official alerts

Severe Thunderstorm Watch: NWS lists the affected area as Boone, IL; Cook, IL; De Kalb, IL; DuPage, IL; Grundy, IL; Kane, IL; Kankakee, IL; Kendall, IL; Lake, IL; La Salle, IL; Lee, IL; Livingston, IL; McHenry, IL; Ogle, IL; Will, IL; Winnebago, IL. Current listed expiration or ending time: 24 June 2026 at 11:00 PM EDT.

Severe Thunderstorm Watch: NWS lists the affected area as Lake, IN; Porter, IN. Current listed expiration or ending time: 24 June 2026 at 11:00 PM EDT.

Flood Watch: NWS lists the affected area as Christian; Moultrie; Coles; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence. Current listed expiration or ending time: 27 June 2026 at 2:00 PM EDT.

Coverage area

This CGN alert covers Lake County, Indiana, Jasper County, Indiana and Porter County, Indiana. Nearby communities may experience different conditions, and warnings can change quickly.

Safety

Move indoors when thunder is heard or when warnings are issued. Damaging wind and large hail can break windows, damage roofs, bring down trees and power lines, and make travel dangerous.

This alert should be updated if the National Weather Service issues, cancels, extends or replaces the active alert. Do not rely on this article alone for emergency decisions. Keep wireless emergency alerts enabled and monitor official NWS, NOAA, local emergency management and trusted local broadcast sources.

Additional Reporting By: National Weather Service; NOAA; National Weather Service Chicago

What This Means

An official National Weather Service alert is active for northwest Indiana. Readers in the affected area should monitor current NWS alerts and local emergency information before travel, outdoor work, school activities or public events.

The primary alert is a Severe Thunderstorm Watch. Conditions can change quickly, and county-specific warnings or cancellations should guide immediate decisions.

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