Tucson, Arizona – Storm chances return to southern Arizona just in time for the weekend, with isolated thunderstorms possible in Tucson by 2 p.m. Friday, July 18. Temperatures will peak near 101°F, bringing high heat and a renewed risk of summer downpours across the metro area.
According to the National Weather Service in Tucson, a 20% chance of thunderstorms will develop after midday Friday, especially along I-10 and Route 86. Motorists should be alert for gusty winds, blowing dust, and brief heavy rainfall through the afternoon. Clouds will increase into the evening, keeping overnight lows near 78°F.
Saturday and Sunday carry similar risks, with 20–30% chances of afternoon storms both days. Highs will hover around 100–101°F, so heat safety remains critical. Residents should hydrate, limit strenuous activity midday, and monitor changing skies—especially in outdoor or desert areas prone to flash flooding.
Evening storm chances continue through Monday night, and while daily rain potential remains low (20%), the risk accumulates. Power outages, dust storms, and rapid runoff could affect weekend events or travel. Keep devices charged and avoid flooded washes.
🌤️ Five-Day Forecast: Tucson (July 18–July 23)
- Friday: Increasing clouds, 20% storm chance after 2 p.m., high near 101°F
- Saturday: Mostly sunny, 30% chance of PM storms, high near 101°F
- Sunday: Mostly sunny, 20% chance of PM storms, high near 100°F
- Monday: Sunny, 20% chance of afternoon storms, high near 100°F
- Tuesday: Mostly sunny, slight PM storm chance, high near 100°F
- Wednesday: Partly sunny, 20% storm chance, high near 100°F
⚠️ Monsoon moisture sticks around—stay alert for rapid weather changes and potential advisories into early next week.
