Madison County, MT Weather Alerts
Every National Weather Service alert issued for Madison County, Montana, pushed to your phone within moments — county code MTC057, forecast zone 4 zones (MTZ325, MTZ328, MTZ324, MTZ330). Free with StormCast.
Download on Google PlayHow the NWS identifies Madison County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches MTC057 directly rather than matching on place names, which is why an alert arrives whether you are in Alder or anywhere else in the county.
NWS County Code
MTC057
Forecast Zones
4 zones (MTZ325, MTZ328, MTZ324, MTZ330)
Forecast Office
Great Falls (TFX)
Radar Station
KTFX
Towns covered in Madison County
An NWS alert for Madison County applies to all 11 of these communities. You do not need a separate alert for each one.
River gauges in and around Madison County
StormCast tracks 12 gauges near Madison County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Ruby River at Ruby Reservoir
- Madison River below Ennis Lake near McAllister
- Madison River above Powerplant near McAllister
- Ruby River below Ruby Reservoir near Alder
- Madison River near Cameron
- Ruby River near Twin Bridges
- Ruby River above Ruby Reservoir near Alder
- Beaverhead River at Twin Bridges
- Big Hole River near bl Hamilton Ditch nr Twin Bridges
- Jefferson River near Twin Bridges
- Willow Creek (Southwest MT) near Harrison
- Beaverhead River near Twin Bridges
Current conditions
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Alert types issued for Madison 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 →Madison County weather alert questions
Which NWS forecast zone is Madison County in?
Madison County, Montana is NWS county code MTC057 and spans 4 forecast zones (MTZ325, MTZ328, MTZ324, MTZ330). Alerts for it are issued by the Great Falls (TFX) Weather Forecast Office, and the nearest NEXRAD radar is KTFX.
Which towns in Madison County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Madison County covers every community inside it, including Alder, Cameron, Ennis, Harrison, Mc Allister, Norris, Pony, Sheridan, Silver Star, Twin Bridges and Virginia City.
Are there river gauges in Madison County?
Yes — StormCast monitors 12 river gauges in and around Madison County, including Ruby River at Ruby Reservoir, Madison River below Ennis Lake near McAllister, Madison River above Powerplant near McAllister. 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 Madison County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for MTC057, the push notification goes out within moments — even with your screen off.