Saint Clair County, MI Weather Alerts

Every National Weather Service alert issued for Saint Clair County, Michigan, pushed to your phone within moments — county code MIC147, forecast zone MIZ063. Free with StormCast.

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How the NWS identifies Saint Clair County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches MIC147 directly rather than matching on place names, which is why an alert arrives whether you are in Algonac or anywhere else in the county.

NWS County Code

MIC147

Forecast Zone

MIZ063

Forecast Office

White Lake (DTX)

Radar Station

KDTX

Towns covered in Saint Clair County

An NWS alert for Saint Clair County applies to all 22 of these communities. You do not need a separate alert for each one.

Algonac Allenton Anchorville Avoca Capac Casco Columbus East China Emmett Fair Haven Fort Gratiot Goodells Harsens Island Jeddo Marine City Marysville Memphis North Street Port Huron Saint Clair Smiths Creek Yale

River gauges in and around Saint Clair County

StormCast tracks 5 gauges near Saint Clair County. Set a flood-stage alert on any of them to get notified before the water reaches you.

All Michigan river gauges →

Current conditions

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Alert types issued for Saint Clair 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 →

Saint Clair County weather alert questions

Which NWS forecast zone is Saint Clair County in?

Saint Clair County, Michigan is NWS county code MIC147 and forecast zone MIZ063. Alerts for it are issued by the White Lake (DTX) Weather Forecast Office, and the nearest NEXRAD radar is KDTX.

Which towns in Saint Clair County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for Saint Clair County covers every community inside it, including Algonac, Allenton, Anchorville, Avoca, Capac, Casco, Columbus, East China, Emmett, Fair Haven, Fort Gratiot, Goodells, Harsens Island, Jeddo, Marine City, Marysville, Memphis, North Street, Port Huron, Saint Clair, Smiths Creek and Yale.

Are there river gauges in Saint Clair County?

Yes — StormCast monitors 5 river gauges in and around Saint Clair County, including St Clair River at St Clair State Police Tidal Gage, Mill Creek near Avoca, Lake Huron at Fort Gratiot Tidal Gauge. 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 Saint Clair County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for MIC147, the push notification goes out within moments — even with your screen off.

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