Merrillville under flash flood warning as heavy rain expected

Residents advised to avoid driving through high water and monitor weather updates

Published on Mar. 7, 2026

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Merrillville is under a flash flood warning this evening as heavy thunderstorms are expected to dump several inches of rain across Northwest Indiana, flooding streets and low-lying areas. Residents should avoid driving through high water, stay clear of creeks and ditches, and keep monitoring trusted weather sources for updates as additional rainfall is expected before the warning expires at 8:45 p.m.

Why it matters

Flash flooding can pose a serious threat to public safety, damaging property and creating hazardous driving conditions. Merrillville's location in a flood-prone region makes it particularly vulnerable to these types of weather events, underscoring the importance of preparedness and heeding official warnings.

The details

The National Weather Service has issued a flash flood warning for Merrillville and surrounding areas until 8:45 PM CST. Heavy thunderstorms are expected to bring several inches of rain, leading to flooding on streets, in low-lying areas, and near creeks and ditches. Residents are advised to avoid driving through high water, which can be deeper than it appears and pose a risk of stalling or being swept away.

  • The flash flood warning is in effect until 8:45 PM CST on Friday, March 7, 2026.

The players

National Weather Service

The federal agency responsible for issuing weather warnings and forecasts to protect life and property.

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What’s next

Residents should continue monitoring local news and weather sources for updates on the flash flood warning and any changes to the forecast. They should also be prepared to take immediate action if flooding occurs in their area, such as moving to higher ground and avoiding driving through standing water.

The takeaway

This flash flood warning highlights the importance of being prepared for severe weather events in Merrillville, which can pose a significant risk to public safety. By heeding official warnings and taking appropriate precautions, residents can help protect themselves and their community from the dangers of flash flooding.