Flood Advisory — Champaign County, Ohio
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 11 at 9:16AM EDT until August 11 at 12:15PM EDT by NWS Wilmington OH
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Delaware County in central Ohio... Union County in central Ohio... Champaign County in west central Ohio... Logan County in west central Ohio... * WHEN...Until 1215 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 916 AM EDT, radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible. - Some locations that may experience flooding include... Dublin, Westerville, Delaware, Marysville, Bellefontaine, Urbana, Powell, Sunbury, Plain City, Richwood, St. Paris, West Liberty, Mechanicsburg, North Lewisburg, Russells Point, Ashley, De Graff, Lakeview and Belle Center.
Effective August 11, 2026 at 9:16 AM ET · Expires August 11, 2026 at 12:15 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Wilmington OH
Expires
August 11, 2026 at 12:15 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
Keep children away from storm drains, culverts, creeks and streams. Water levels can rise rapidly and sweep children away. Be aware of your surroundings and do not drive on flooded roads. To report flooding, go to our website at weather.gov/iln and submit your report via social media, when you can do so safely.
Also In Effect For
This same Flood Advisory also covers:
Other Active Alerts in Ohio
Severe Thunderstorm Warning
Flash Flood Warning
Flash Flood Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Flash Flood Warning
Get Flood Advisory Alerts for Champaign County
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Frequently Asked Questions
What does a Flood Advisory mean for Champaign County, Ohio?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 11, 2026 at 12:15 PM ET.
How do I get notified about Flood Advisory alerts for Champaign County?
Download StormCast free on Google Play and set Champaign County, Ohio as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flood Advisory is also in effect for Delaware County, Logan County, Union County.