Ottawa County, OH Weather Alerts

Every National Weather Service alert issued for Ottawa County, Ohio, pushed to your phone within moments — county code OHC123, forecast zone 2 zones (OHZ007, OHZ003). Free with StormCast.

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How the NWS identifies Ottawa County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches OHC123 directly rather than matching on place names, which is why an alert arrives whether you are in Clay Center or anywhere else in the county.

NWS County Code

OHC123

Forecast Zones

2 zones (OHZ007, OHZ003)

Forecast Office

Brooklyn Heights (CLE)

Radar Station

KCLE

Towns covered in Ottawa County

An NWS alert for Ottawa County applies to all 16 of these communities. You do not need a separate alert for each one.

Clay Center Curtice Elmore Genoa Graytown Gypsum Isle Saint George Lacarne Lakeside Marblehead Martin Middle Bass Oak Harbor Port Clinton Put In Bay Rocky Ridge Williston

River gauges in and around Ottawa County

StormCast tracks 1 gauge near Ottawa County. Set a flood-stage alert on any of them to get notified before the water reaches you.

All Ohio river gauges →

Current conditions

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Alert types issued for Ottawa County

Tornado

Tornado Warning, Tornado Watch, Tornado Emergency and Severe Thunderstorm Warning.

How tornado alerts work →

Flooding

Flash Flood Warning, Flood Watch, Flood Advisory and River Flood Warning.

How flood alerts work →

Winter

Winter Storm Warning, Ice Storm Warning, Blizzard Warning and Winter Weather Advisory.

Winter warnings explained →

Fire Weather

Red Flag Warning and Fire Weather Watch when conditions favor rapid fire spread.

Fire weather alerts →

Heat & Cold

Excessive Heat Warning, Heat Advisory, Freeze Warning and Frost Advisory.

Frost & freeze alerts →

Wind & Lightning

High Wind Warning, Wind Advisory and lightning proximity alerts.

Lightning alerts →

Ottawa County weather alert questions

Which NWS forecast zone is Ottawa County in?

Ottawa County, Ohio is NWS county code OHC123 and spans 2 forecast zones (OHZ007, OHZ003). Alerts for it are issued by the Brooklyn Heights (CLE) Weather Forecast Office, and the nearest NEXRAD radar is KCLE.

Which towns in Ottawa County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for Ottawa County covers every community inside it, including Clay Center, Curtice, Elmore, Genoa, Graytown, Gypsum, Isle Saint George, Lacarne, Lakeside Marblehead, Martin, Middle Bass, Oak Harbor, Port Clinton, Put In Bay, Rocky Ridge and Williston.

Are there river gauges in Ottawa County?

Yes — StormCast monitors 1 river gauge in and around Ottawa County, including Portage River at Elmore. You can set a flood-stage alert on any of them and get a push notification when the water rises.

How fast are alerts for Ottawa County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for OHC123, the push notification goes out within moments — even with your screen off.

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