Guide
Monsoon hiking and flash floods
Storms can send water down a wash even when the sky above you is clear, because the rain fell upstream.
Sabino Creek gauge
Sabino Creek near Tucson (USGS 09484000)
Discharge 0.92 ft^3/s at 8:15am MST (Provisional).
Gage height 1.07 ft at 8:15am MST.
USGS 09484000, Sabino Creek near Tucson. Provisional data can be revised. USGS page.
These readings can't tell you whether it's OK to cross the creek.
Roads
Pima County keeps a list of roads that flood. As of Oct 2, 2026, it includes Gates Pass Road and Kinney Road. Road closure updates.
For weather-related road conditions after hours and on weekends, that page lists the Sheriff's Department hotline at 520-351-3351.
The March 2025 Coronado front-range guide says monsoon storms and flash floods occur in summer on the Pima, Finger Rock, and Ventana trails, and to look for the trail on the other side of creek crossings.