Another cold morning, another record low for Tucson.
The temperature dropped to 17 degrees Tuesday morning, breaking the old record low for the date of 20 degrees in 2007, the National Weather Service said.
Tucson also hit a record low Monday morning at 21 degrees. That breaks the record low for the date of 22 degrees, set in 1940.
The weather service issued another hard-freeze warning until 8 a.m. today but it's not expected to be as cold.
It should begin warming up today.
Highs today are expected in the upper 50s to low 60s.
Thursday and Friday will be in the upper 60s. Lows through the weekend will be in the 30s to 40s.