Pima County, AZ Weather Alerts
Every National Weather Service alert issued for Pima County, Arizona, pushed to your phone within moments — county code AZC019, forecast zone 5 zones (AZZ504, AZZ501, AZZ503, AZZ502, AZZ514). Free with StormCast.
Download on Google PlayHow the NWS identifies Pima County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches AZC019 directly rather than matching on place names, which is why an alert arrives whether you are in Ajo or anywhere else in the county.
NWS County Code
AZC019
Forecast Zones
5 zones (AZZ504, AZZ501, AZZ503, AZZ502, AZZ514)
Forecast Office
Tucson (TWC)
Radar Station
KEMX
Towns covered in Pima County
An NWS alert for Pima County applies to all 15 of these communities. You do not need a separate alert for each one.
River gauges in and around Pima County
StormCast tracks 11 gauges near Pima County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Brawley Wash near Three Points
- Altar Wash near Three Points
- Santa Cruz River at Cortaro
- Santa Cruz River at Trico Road
- Santa Cruz River at Congress Street
- Canada del Oro Wash at Ina Road
- Rillito Creek at La Cholla
- Rillito Creek at Dodge Boulevard
- Pantano Wash at Broadway Blvd
- Tanque Verde Creek near Sabino Canyon Rd.
- Sabino Creek near Sabino Dam
Current conditions
Loading current conditions…
Alert types issued for Pima 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 →Pima County weather alert questions
Which NWS forecast zone is Pima County in?
Pima County, Arizona is NWS county code AZC019 and spans 5 forecast zones (AZZ504, AZZ501, AZZ503, AZZ502, AZZ514). Alerts for it are issued by the Tucson (TWC) Weather Forecast Office, and the nearest NEXRAD radar is KEMX.
Which towns in Pima County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Pima County covers every community inside it, including Ajo, Arivaca, Catalina, Cortaro, Green Valley, Lukeville, Marana, Mount Lemmon, Rillito, Sahuarita, Sasabe, Sells, Topawa, Tucson and Vail.
Are there river gauges in Pima County?
Yes — StormCast monitors 11 river gauges in and around Pima County, including Brawley Wash near Three Points, Altar Wash near Three Points, Santa Cruz River at Cortaro. 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 Pima County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for AZC019, the push notification goes out within moments — even with your screen off.