Arizona – Heat shimmers off pavement by late morning as Tucson surges toward triple digits under a blazing sun. The dry air feels crisp early, but temperatures climb fast, turning sidewalks and car interiors hot by midday.
According to the National Weather Service, highs reach near 99 degrees today with clear skies and light winds, allowing rapid warming across the Tucson metro . Humidity stays low, increasing dehydration risk during outdoor activity.
Across Pima County, including Oro Valley and South Tucson, the heat builds quickly by early afternoon. Limit time outdoors, drink water often, and check on pets and neighbors. Vehicles heat dangerously fast in direct sun.
Relief does not come quickly after sunset. Temperatures stay mild into the evening, keeping homes and streets warm. By Saturday, highs ease slightly into the low 90s, but increasing clouds hint at a pattern shift.
By Sunday, moisture begins to creep back in. Scattered showers and thunderstorms may develop after midday, bringing lightning and brief downpours. Storm chances continue into Monday, especially during the afternoon and evening hours.
Drivers should watch for slick roads and sudden gusty winds near storms. Lightning may develop quickly over the mountains before drifting into the metro. Plan around changing conditions if heading outdoors Sunday or Monday.
Looking ahead to Monday, temperatures hold near the low 90s with continued storm chances. By Tuesday, skies begin to clear slightly, though isolated showers may linger.
Five Day Outlook for Tucson, Arizona
Saturday: Increasing clouds, high near 92
Sunday: Chance of storms, high near 92
Monday: Slight chance of storms, high near 92
Tuesday: Partly sunny, high near 90
Wednesday: Slight chance of showers, high near 82
