Obrien County, IA Weather Alerts

Every National Weather Service alert issued for Obrien County, Iowa, pushed to your phone within moments — county code IAC141, forecast zone IAZ013. Free with StormCast.

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How the NWS identifies Obrien County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches IAC141 directly rather than matching on place names, which is why an alert arrives whether you are in Archer or anywhere else in the county.

NWS County Code

IAC141

Forecast Zone

IAZ013

Forecast Office

Sioux Falls (FSD)

Radar Station

KFSD

Towns covered in Obrien County

An NWS alert for Obrien County applies to all 8 of these communities. You do not need a separate alert for each one.

Archer Calumet Hartley Paullina Primghar Sanborn Sheldon Sutherland

River gauges in and around Obrien County

StormCast tracks 4 gauges near Obrien County. Set a flood-stage alert on any of them to get notified before the water reaches you.

All Iowa river gauges →

Current conditions

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Alert types issued for Obrien 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 →

Obrien County weather alert questions

Which NWS forecast zone is Obrien County in?

Obrien County, Iowa is NWS county code IAC141 and forecast zone IAZ013. Alerts for it are issued by the Sioux Falls (FSD) Weather Forecast Office, and the nearest NEXRAD radar is KFSD.

Which towns in Obrien County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for Obrien County covers every community inside it, including Archer, Calumet, Hartley, Paullina, Primghar, Sanborn, Sheldon and Sutherland.

Are there river gauges in Obrien County?

Yes — StormCast monitors 4 river gauges in and around Obrien County, including Little Floyd River near Sanborn, Floyd River at Sheldon, Waterman Creek near Sutherland. 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 Obrien County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for IAC141, the push notification goes out within moments — even with your screen off.

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