Flash-flood threats expand to northern San Luis Obispo County and continue in Arizona

United States

First seen: Aug 30, 2026, 8:32 PM UTCUpdated: Aug 31, 2026, 4:16 AM UTC

WHAT HAPPENED

New reports warn of evacuation risks in northern San Luis Obispo County and continuing heavy thunderstorms capable of causing flash floods. The supplied reports do not confirm casualties or major damage.

SO WHAT?

Expanded warnings and possible evacuations increase immediate risks to residents, roads and emergency services across affected U.S. areas.

FOR ME

Impact on Switzerland

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MARKETS

Market impact

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COVERAGE

Reports behind this event

kjct8.comen

First Alert: Heavy thunderstorms through Monday can cause flash flooding

Aug 31, 2026, 4:16 AM UTC

vietnamtribune.comen

Many feared missing after Grand Canyon flash flood

Aug 31, 2026, 4:01 AM UTC

kcbx.orgen

Evacuations warnings issued in northern SLO County

Aug 31, 2026, 3:47 AM UTC

theweathernetwork.comen

Staying safe from flash floods, a serious and deadly hazard

Aug 31, 2026, 3:01 AM UTC

kkco11news.comen

First Alert: Heavy thunderstorms through Monday can cause flash flooding

Aug 31, 2026, 2:02 AM UTC

yahoo.comen

Flash flood warning issued for Coconino County

Aug 30, 2026, 8:32 PM UTC