Monona County, IA Weather Alerts
Every National Weather Service alert issued for Monona County, Iowa, pushed to your phone within moments — county code IAC133, forecast zone IAZ043. Free with StormCast.
Download on Google PlayHow the NWS identifies Monona County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches IAC133 directly rather than matching on place names, which is why an alert arrives whether you are in Blencoe or anywhere else in the county.
NWS County Code
IAC133
Forecast Zone
IAZ043
Forecast Office
Valley (OAX)
Radar Station
KOAX
Towns covered in Monona County
An NWS alert for Monona County applies to all 9 of these communities. You do not need a separate alert for each one.
River gauges in and around Monona County
StormCast tracks 4 gauges near Monona 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 Monona 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 →Monona County weather alert questions
Which NWS forecast zone is Monona County in?
Monona County, Iowa is NWS county code IAC133 and forecast zone IAZ043. Alerts for it are issued by the Valley (OAX) Weather Forecast Office, and the nearest NEXRAD radar is KOAX.
Which towns in Monona County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Monona County covers every community inside it, including Blencoe, Castana, Mapleton, Moorhead, Onawa, Rodney, Soldier, Ute and Whiting.
Are there river gauges in Monona County?
Yes — StormCast monitors 4 river gauges in and around Monona County, including Monona-Harrison Ditch near Turin, Little Sioux River near Turin, Maple River at Mapleton. 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 Monona County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for IAC133, the push notification goes out within moments — even with your screen off.