Summit County, CO Weather Alerts
Every National Weather Service alert issued for Summit County, Colorado, pushed to your phone within moments — county code COC117, forecast zone COZ034. Free with StormCast.
Download on Google PlayHow the NWS identifies Summit County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches COC117 directly rather than matching on place names, which is why an alert arrives whether you are in Breckenridge or anywhere else in the county.
NWS County Code
COC117
Forecast Zone
COZ034
Forecast Office
Boulder (BOU)
Radar Station
KFTG
Towns covered in Summit County
An NWS alert for Summit County applies to all 4 of these communities. You do not need a separate alert for each one.
River gauges in and around Summit County
StormCast tracks 10 gauges near Summit County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Blue River (CO) near Dillon
- Tenmile Creek (CO) at Frisco
- Blue River (CO) below Dillon
- Blue River (CO) at Blue River
- Blue River (CO) at Dillon Reservoir
- Straight Creek (CO) near Dillon
- Snake River (CO) near Montezuma
- Resolution Creek at Camp Hale near Red Cliff
- Turkey Creek below Tates Gulch near Red Cliff
- Eagle River at Red Cliff
Current conditions
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Alert types issued for Summit 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 →Summit County weather alert questions
Which NWS forecast zone is Summit County in?
Summit County, Colorado is NWS county code COC117 and forecast zone COZ034. Alerts for it are issued by the Boulder (BOU) Weather Forecast Office, and the nearest NEXRAD radar is KFTG.
Which towns in Summit County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Summit County covers every community inside it, including Breckenridge, Dillon, Frisco and Silverthorne.
Are there river gauges in Summit County?
Yes — StormCast monitors 10 river gauges in and around Summit County, including Blue River (CO) near Dillon, Tenmile Creek (CO) at Frisco, Blue River (CO) below Dillon. 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 Summit County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for COC117, the push notification goes out within moments — even with your screen off.