Tucson, Arizona – A fresh round of summer thunderstorms is expected to impact southern Arizona on Thursday, July 17th, with the highest chances of storms arriving by late morning and continuing into the early afternoon. Drivers along I-10 through Tucson could face sudden downpours, gusty winds, and brief flooding during peak travel hours.
According to the National Weather Service, there’s a 60% chance of thunderstorms beginning around 11 a.m. Thursday in the Tucson metro. West-northwest winds will reach up to 9 mph as the system moves across Pima County, bringing cooler temps but increased storm activity.
By Friday, storm chances decrease slightly, but a 30% chance of thunderstorms remains through the weekend. Saturday and Sunday will feel the brunt of typical monsoonal moisture, with high temperatures climbing to 102°F and isolated afternoon storms expected each day. Nights remain muggy, with lows around 77°F.
Residents should avoid non-essential travel during active storms, especially on highways like I-10 and AZ-86, where flash flooding and reduced visibility are common. Prepare by charging phones, avoiding low-lying crossings, and delaying errands until storms pass.
🔭 Extended 5-Day Forecast for Tucson (July 17–22):
- Thursday: 60% chance of storms, high of 97°F
- Friday: 30% chance of storms after 11 a.m., high of 101°F
- Saturday: 40% chance of afternoon storms, high of 102°F
- Sunday: 30% chance of storms, high of 102°F
- Monday: 30% chance of storms, high of 102°F
- Tuesday: Mostly sunny, high near 102°F
