TUCSON, Ariz. (13 News) – Over the next 4 days, we stairstep up to 100°. The first 100° day this year in Tucson is expected to be on Thursday! Prepare for even warmer temperatures Friday and Saturday with highs near 103°. Sunday will also sit around 100°. Because of those abnormally high temperatures and an Extreme Heat Watch that’s been issued, Thu-Sun are First Alert Weather Days.
7-Day Forecast:
Tonight – Mostly clear, with a low around 55…