Tompkins County, NY Weather Alerts

Every National Weather Service alert issued for Tompkins County, New York, pushed to your phone within moments — county code NYC109, forecast zone NYZ025. Free with StormCast.

Download on Google Play

How the NWS identifies Tompkins County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches NYC109 directly rather than matching on place names, which is why an alert arrives whether you are in Brooktondale or anywhere else in the county.

NWS County Code

NYC109

Forecast Zone

NYZ025

Forecast Office

Johnson City (BGM)

Radar Station

KBGM

Towns covered in Tompkins County

An NWS alert for Tompkins County applies to all 12 of these communities. You do not need a separate alert for each one.

Brooktondale Dryden Etna Freeville Groton Ithaca Jacksonville Lansing Mc Lean Newfield Slaterville Springs Trumansburg

River gauges in and around Tompkins County

StormCast tracks 7 gauges near Tompkins County. Set a flood-stage alert on any of them to get notified before the water reaches you.

All New York river gauges →

Current conditions

Loading current conditions…

Alert types issued for Tompkins 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 →

Tompkins County weather alert questions

Which NWS forecast zone is Tompkins County in?

Tompkins County, New York is NWS county code NYC109 and forecast zone NYZ025. Alerts for it are issued by the Johnson City (BGM) Weather Forecast Office, and the nearest NEXRAD radar is KBGM.

Which towns in Tompkins County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for Tompkins County covers every community inside it, including Brooktondale, Dryden, Etna, Freeville, Groton, Ithaca, Jacksonville, Lansing, Mc Lean, Newfield, Slaterville Springs and Trumansburg.

Are there river gauges in Tompkins County?

Yes — StormCast monitors 7 river gauges in and around Tompkins County, including Fall Creek at Ithaca, Cayuga Lake at Ithaca, Cayuga Inlet at Ithaca. 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 Tompkins County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for NYC109, the push notification goes out within moments — even with your screen off.

Nearby and related