Tucson, Arizona – Thunderstorms will likely roll into the Tucson area by late Tuesday morning, bringing a summer weather alert for drivers and outdoor plans. Rain and possible lightning strikes could slow travel on I-10 and local roads starting around 11 a.m. Tuesday and continuing into the night.
According to the National Weather Service, there’s a 60% chance of showers and storms developing Tuesday afternoon. Conditions will remain unstable into Tuesday night, with gusts as high as 20 mph and another round of storms possible before 11 p.m. Rain totals could vary, but intense cells may bring brief localized flooding, especially in low-lying areas. Winds may also impact visibility during heavier downpours.
Drivers should plan for delays on major routes like I-10 and avoid flooded roadways. Keep your phone charged and check Pima County alerts before heading out. Those planning to hike or spend time outdoors should seek shelter if thunder is heard.
Wednesday continues the trend, with another 70% chance of thunderstorms expected through the afternoon and evening. Highs drop slightly to 98°F but humidity will remain high. The threat tapers slightly by Thursday, though thunderstorms still linger in the forecast into the weekend.
Five-Day Forecast: Tucson, AZ
- Tuesday: High 102°F. Thunderstorms likely after 11 a.m. Showers continue into night.
- Wednesday: High 98°F. Showers and storms likely through evening.
- Thursday: High 96°F. Afternoon thunderstorms remain possible.
- Friday: High 98°F. Slight chance of storms. Partly cloudy.
- Saturday: High 100°F. Storm chances increase again. Muggy and hot through Sunday.
