Marion County, MO Weather Alerts
Every National Weather Service alert issued for Marion County, Missouri, pushed to your phone within moments — county code MOC127, forecast zone MOZ027. Free with StormCast.
Download on Google PlayHow the NWS identifies Marion County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches MOC127 directly rather than matching on place names, which is why an alert arrives whether you are in Hannibal or anywhere else in the county.
NWS County Code
MOC127
Forecast Zone
MOZ027
Forecast Office
St. Charles (LSX)
Radar Station
KLSX
Towns covered in Marion County
An NWS alert for Marion County applies to all 5 of these communities. You do not need a separate alert for each one.
River gauges in and around Marion County
StormCast tracks 3 gauges near Marion 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 Marion 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 →Marion County weather alert questions
Which NWS forecast zone is Marion County in?
Marion County, Missouri is NWS county code MOC127 and forecast zone MOZ027. Alerts for it are issued by the St. Charles (LSX) Weather Forecast Office, and the nearest NEXRAD radar is KLSX.
Which towns in Marion County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Marion County covers every community inside it, including Hannibal, Maywood, Palmyra, Philadelphia and Taylor.
Are there river gauges in Marion County?
Yes — StormCast monitors 3 river gauges in and around Marion County, including North River (MO) at Palmyra, South Fabius River near Taylor, Mississippi River at Hannibal. 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 Marion County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for MOC127, the push notification goes out within moments — even with your screen off.