Emergency Alerts on the Mountain
For Catalina Highway/General Hitchcock Highway conditions, please call 520 351-3351 for updates. For all alerts, go to our alerts page for more information.
8/11/2026
Flood Watch and Storms Alert from National Weather Service
Flood Watch
National Weather Service Tucson AZ
1021 AM MST Tue Aug 11 2026
AZZ503-504-507>509-511>514-120600-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-Catalina and Rincon Mountains-
Including the cities of Benson, Safford, Tucson, Vail,
Summerhaven, Marana, Clifton, Nogales, Chiricahua N.M., Canelo
Hills, Willcox, Mount Lemmon, Mount Graham, Green Valley, Sierra
Vista, Madera Canyon, Douglas, and Bisbee
1021 AM MST Tue Aug 11 2026
...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH
11 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Eastern Pima county including the Tucson Metro Area, Santa
Cruz, Cochise Counties and the valleys of Graham and Greenlee
Counties.
* WHEN...From 2 PM MST this afternoon through 11 PM MST this evening.
* IMPACTS...Excessive rainfall runoff may result in flash flooding of
normally dry washes, roadway dips and other low-lying areas.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected, with the stronger storms capable of producing total
rainfall amounts between 1 to 3 inches.
- Http://www.weather.gov/safety/flood
Marshall Gulch Closure in Effect 08/03/2026
U.S. Forest Service- Coronado National Forest
📣Marshall Gulch Closure in effect
Pedestrian use of Marshall Gulch Trail #3, Aspen Trail #93, and Sunset Trail #90 is available weekly on Fridays, Saturdays, Sundays, and all federal holidays. Please stay on designated trails when in the Marshall Gulch area and be aware of your surroundings.
🚯Pack it in, Pack it out. There are is no trash service or toilet facilities available after leaving the new Summerhaven parking lot.
On Mondays, Tuesdays, Wednesdays, and Thursdays, the entire Marshall Gulch area, including the above-mentioned trails, is closed.
Parking remains available at the new Summerhaven parking lot along Sabino Canyon Park Road.
Beginning March 1, 2026, it is Mexican Spotted Owl Breeding Season. NO outdoor power tools on Forest Service land.
-Mount Lemmon Echoes March 2026
To learn more about conservation efforts of the Mexican Spotted Owl, go to ADOT’s resource handout.
