Drought in San Juan River Basin, Colorado

Drought August 20, 2025 – August 31, 2025 · San Juan River Basin, Colorado

What the National Weather Service wrote

The August 20th US Drought Monitor update showed the worsening of drought conditions across the southern Colorado valleys, with Colorado Zone 023 - San Juan River Basin developing Extreme (D3) Drought conditions across roughly 2/3 of the zone. The extent of this drought remained unchanged through the end of the month.

The wider storm

The month of August continued the trend of the summer, where above normal temperatures and below normal precipitation were characteristic. By the latter part of the month, Extreme (D3) Drought conditions expanded into the higher elevations of the San Juan mountains, as well as into the southern Colorado valleys.

Source: NOAA Storm Events Database, event 1289306. Narratives are written by the National Weather Service forecast office that issued the report.

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