Lewis And Clark County, MT Weather Alerts
Every National Weather Service alert issued for Lewis And Clark County, Montana, pushed to your phone within moments — county code MTC049, forecast zone 4 zones (MTZ315, MTZ319, MTZ308, MTZ320). Free with StormCast.
Download on Google PlayHow the NWS identifies Lewis And Clark County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches MTC049 directly rather than matching on place names, which is why an alert arrives whether you are in Augusta or anywhere else in the county.
NWS County Code
MTC049
Forecast Zones
4 zones (MTZ315, MTZ319, MTZ308, MTZ320)
Forecast Office
Great Falls (TFX)
Radar Station
KTFX
Towns covered in Lewis And Clark County
An NWS alert for Lewis And Clark County applies to all 8 of these communities. You do not need a separate alert for each one.
River gauges in and around Lewis And Clark County
StormCast tracks 8 gauges near Lewis And Clark County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Missouri River below Holter Dam near Wolf Creek
- Little Prickly Pear Creek at Wolf Creek
- Missouri River below Hauser Dam near Helena
- Tenmile Creek (MT) near Helena
- Missouri River at Helena Valley Reservoir
- Tenmile Creek (MT) near Rimini
- Missouri River at Canyon Ferry Reservoir
- Dearborn River near Craig
Current conditions
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Alert types issued for Lewis And Clark 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 →Lewis And Clark County weather alert questions
Which NWS forecast zone is Lewis And Clark County in?
Lewis And Clark County, Montana is NWS county code MTC049 and spans 4 forecast zones (MTZ315, MTZ319, MTZ308, MTZ320). Alerts for it are issued by the Great Falls (TFX) Weather Forecast Office, and the nearest NEXRAD radar is KTFX.
Which towns in Lewis And Clark County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Lewis And Clark County covers every community inside it, including Augusta, Canyon Creek, East Helena, Fort Harrison, Helena, Lincoln, Marysville and Wolf Creek.
Are there river gauges in Lewis And Clark County?
Yes — StormCast monitors 8 river gauges in and around Lewis And Clark County, including Missouri River below Holter Dam near Wolf Creek, Little Prickly Pear Creek at Wolf Creek, Missouri River below Hauser Dam near Helena. 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 Lewis And Clark County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for MTC049, the push notification goes out within moments — even with your screen off.