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Tucson weather forecast

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The gist

Tucson's extreme heat warning continues through Saturday with highs near 106°F. Storms and flash flooding possible Monday as monsoon shifts.

Background

Tucson is under an Extreme Heat Warning through Saturday, with temperatures reaching near 106°F. The monsoon season is transitioning, bringing a chance of strong to severe storms and flash flooding in southern Arizona, especially on Monday.

How it unfolded

  1. Aug 28, 2026Extreme Heat Warning issued, continues through Saturday; Thursday night low around 82, Friday high near 106.
  2. Aug 30, 2026Strong to severe storms and flash flooding possible in southern Arizona; Sunday high near 100 with 20% chance of storms.
  3. Aug 31, 2026More storm potential and flood concerns on Monday; highs in the 80s and 90s.

Sources

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