Teton County, MT Weather Alerts
Every National Weather Service alert issued for Teton County, Montana, pushed to your phone within moments — county code MTC099, forecast zone 2 zones (MTZ308, MTZ309). Free with StormCast.
Download on Google PlayHow the NWS identifies Teton County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches MTC099 directly rather than matching on place names, which is why an alert arrives whether you are in Bynum or anywhere else in the county.
NWS County Code
MTC099
Forecast Zones
2 zones (MTZ308, MTZ309)
Forecast Office
Great Falls (TFX)
Radar Station
KTFX
Towns covered in Teton County
An NWS alert for Teton County applies to all 6 of these communities. You do not need a separate alert for each one.
River gauges in and around Teton County
StormCast tracks 12 gauges near Teton County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Teton River above Teton River abv Hwy 221 bridge
- Muddy Creek near Fairfield
- Teton River above Teton River abv Springhill near Choteau
- Sun River near Fairfield
- Tank Coulee
- Teton River near Dutton
- Sun River above Duck Creek abv Simms Ashuelot Brdg nr Simms
- Sun River at Pishkun Reservoir near Augusta
- Sun River near Simms
- Sun River below Elk Creek near Augusta
- Sun River near Augusta
- Teton River near Choteau below South Fork
Current conditions
Loading current conditions…
Alert types issued for Teton 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 →Teton County weather alert questions
Which NWS forecast zone is Teton County in?
Teton County, Montana is NWS county code MTC099 and spans 2 forecast zones (MTZ308, MTZ309). Alerts for it are issued by the Great Falls (TFX) Weather Forecast Office, and the nearest NEXRAD radar is KTFX.
Which towns in Teton County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Teton County covers every community inside it, including Bynum, Choteau, Dutton, Fairfield, Pendroy and Power.
Are there river gauges in Teton County?
Yes — StormCast monitors 12 river gauges in and around Teton County, including Teton River above Teton River abv Hwy 221 bridge, Muddy Creek near Fairfield, Teton River above Teton River abv Springhill near Choteau. 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 Teton County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for MTC099, the push notification goes out within moments — even with your screen off.