Franklin County, OH Weather Alerts

Every National Weather Service alert issued for Franklin County, Ohio, pushed to your phone within moments — county code OHC049, forecast zone OHZ055. Free with StormCast.

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How the NWS identifies Franklin County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches OHC049 directly rather than matching on place names, which is why an alert arrives whether you are in Amlin or anywhere else in the county.

NWS County Code

OHC049

Forecast Zone

OHZ055

Forecast Office

Wilmington (ILN)

Radar Station

KILN

Towns covered in Franklin County

An NWS alert for Franklin County applies to all 15 of these communities. You do not need a separate alert for each one.

Amlin Blacklick Brice Canal Winchester Columbus Dublin Galloway Grove City Groveport Harrisburg Hilliard Lockbourne New Albany Reynoldsburg Westerville

River gauges in and around Franklin County

StormCast tracks 7 gauges near Franklin 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 Franklin 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 →

Franklin County weather alert questions

Which NWS forecast zone is Franklin County in?

Franklin County, Ohio is NWS county code OHC049 and forecast zone OHZ055. Alerts for it are issued by the Wilmington (ILN) Weather Forecast Office, and the nearest NEXRAD radar is KILN.

Which towns in Franklin County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for Franklin County covers every community inside it, including Amlin, Blacklick, Brice, Canal Winchester, Columbus, Dublin, Galloway, Grove City, Groveport, Harrisburg, Hilliard, Lockbourne, New Albany, Reynoldsburg and Westerville.

Are there river gauges in Franklin County?

Yes — StormCast monitors 7 river gauges in and around Franklin County, including Alum Creek at Columbus, Olentangy River at Herrick Drive Columbus, Scioto River at Frank Road. 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 Franklin County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for OHC049, the push notification goes out within moments — even with your screen off.

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