Flood Warning Issued for Williams County, Ohio

Source: NOAA · Williams County, Ohio

This alert is no longer in effect.

NOAA issued it on April 15, 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.

The National Weather Service has issued a Flood Warning for Williams County, Ohio, due to expected moderate flooding on the Saint Joseph River Ohio below Montpelier starting Thursday evening.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Williams County, Ohio
Issued
April 15, 2026
Issuing authority
NWS Northern Indiana

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 Williams County, Ohio.

Alert Details

The alert is a Flood Warning, issued by NWS Northern Indiana. It was sent on April 15, 2026, at 11:08 AM EDT, with an effective time window from April 15, 2026, at 11:08 AM EDT.

Affected Areas

The warning affects Williams County, Ohio, specifically the Saint Joseph River Ohio below Montpelier. It also references other areas like Pulaski, Wabash, Cass IN, Miami, Kosciusko, Whitley, De Kalb, Defiance, and Allen IN Counties, but the primary focus is on Williams County.

What You Should Do

Turn around and do not drive through flooded roads. Avoid attempting to drive around barricades or through flooded areas. Exercise caution when walking near riverbanks. For more details, refer to www.weather.gov/iwx under Rivers and Lakes.

Expected Conditions

Moderate flooding is forecast for the Saint Joseph River Ohio below Montpelier. The river is expected to rise above the 12.0-foot flood stage to 13.7 feet by Sunday morning on April 19, 2026, potentially affecting low-lying areas and agricultural land.

Timeline

The alert is effective from Thursday evening on April 16, 2026, at 6:48 PM EDT, and will continue until further notice. It expires on April 16, 2026, at 5:15 AM EDT, but may be extended.

Original source: NOAA Official Notice ↗

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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?
The National Weather Service has issued a Flood Warning for Williams County, Ohio, due to expected moderate flooding on the Saint Joseph River Ohio below Montpelier starting Thursday evening.
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 Williams County, Ohio. 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.