276
WGUS65 KTWC 301842
FFATWC
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tucson AZ
1142 AM MST Sun Aug 30 2026
AZZ502-311200-
/O.EXT.KTWC.FA.A.0009.000000T0000Z-260901T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tohono O'odham Nation-
Including the cities of Sells
1142 AM MST Sun Aug 30 2026
...FLOOD WATCH EXTENDED THROUGH MONDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tohono O'odham Nation.
* WHEN...Through Monday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded. Flooding may occur in poor
drainage and urban areas.
* ADDITIONAL DETAILS...
- Scattered thunderstorms will be developing again this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 1-3 inches. Additional rainfall from the
previous day activity will result in faster responses in normally
dry washes, creeks and roadway dips. The watch was extended into
Monday evening as scattered thunderstorms will also have the
potential for 1-3 inches Monday afternoon and evening.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ503>507-513>515-311200-
/O.CON.KTWC.FA.A.0009.000000T0000Z-260831T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
South Central Pinal County-Southeast Pinal County-Upper San Pedro
River Valley-Dragoon and Mule and Huachuca and Santa Rita
Mountains-Catalina and Rincon Mountains-Baboquivari Mountains-
Including the cities of Bisbee, Kitt Peak, Oracle, Tucson, Nogales,
Summerhaven, Green Valley, Canelo Hills, Marana, Benson, Madera
Canyon, Mount Lemmon, Vail, Picacho Peak State Park, Sierra Vista,
and Mammoth
1142 AM MST Sun Aug 30 2026
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro Area, Southeast Pinal County, Tohono O'odham
Nation, Upper San Pedro River Valley Upper Santa Cruz River
Valley/Altar Valley, Baboquivari Mountains, Catalina and Rincon
Mountains, Dragoon and Mule and Huachuca and Santa Rita Mountains.
* WHEN...Through late tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded. Flooding may occur in poor
drainage and urban areas.
* ADDITIONAL DETAILS...
- This afternoon and evening will see another round of scattered
thunderstorms. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches. Additional rainfall from the previous
day activity will result in faster responses in normally dry
washes, creeks and roadway dips.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$