Ottawa County, MI Weather Alerts
Every National Weather Service alert issued for Ottawa County, Michigan, pushed to your phone within moments — county code MIC139, forecast zone MIZ056. Free with StormCast.
Download on Google PlayHow the NWS identifies Ottawa County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches MIC139 directly rather than matching on place names, which is why an alert arrives whether you are in Allendale or anywhere else in the county.
NWS County Code
MIC139
Forecast Zone
MIZ056
Forecast Office
Grand Rapids (GRR)
Radar Station
KGRR
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.
River gauges in and around Ottawa County
StormCast tracks 3 gauges near Ottawa County. Set a flood-stage alert on any of them to get notified before the water reaches you.
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 →Ottawa County weather alert questions
Which NWS forecast zone is Ottawa County in?
Ottawa County, Michigan is NWS county code MIC139 and forecast zone MIZ056. Alerts for it are issued by the Grand Rapids (GRR) Weather Forecast Office, and the nearest NEXRAD radar is KGRR.
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 Allendale, Conklin, Coopersville, Ferrysburg, Grand Haven, Holland, Hudsonville, Jamestown, Jenison, Lamont, Macatawa, Marne, Nunica, Spring Lake, West Olive and Zeeland.
Are there river gauges in Ottawa County?
Yes — StormCast monitors 3 river gauges in and around Ottawa County, including Grand River near Eastmanville, Grand River at Robinson Township, Macatawa River near Zeeland. 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 MIC139, the push notification goes out within moments — even with your screen off.