The hottest temperatures so far this year will peak Saturday through Monday, with highs in the Tucson region and western desert reaching up to 112 degrees on Sunday, the forecast says.

 Grace Trejo, Arizona Daily Star

Steaks won’t be the only thing sizzling in Tucson for Father’s Day weekend.

The hottest temperatures so far this year will peak Saturday through Monday, with highs in the Tucson region and western desert reaching up to 112 degrees on Sunday, the National Weather Service in Tucson says.

There’s an extreme heat warning in the region from 10 a.m. Saturday to 8 p.m. Monday.

See what today's weather forecast looks like in Tucson.

Tucson’s hot and dry Father’s Day also marks the start of the official monsoon season.

On the upside, the precipitation outlook for June 20 through June 26 is leaning toward above normal rainfall, the weather service says.

In fact, the overall forecast for the 2025 monsoon says it is expected to be wetter than normal.

Meanwhile, the weather service reminds desert dwellers to stay hydrated and avoid being outdoors from 10am to 8 pm.

There are several cooling centers open across Pima County.

Hours vary depending on site.

Visit pima.gov/heat for a cooling center map with a list of locations and their hours.

Become a #ThisIsTucson member! Your contribution helps our team bring you stories that keep you connected to the community. Become a member today.