2 · Concern Weather & disastersConfirmed
RS maintains alerts for storms, flooding, and rising river levels
Rio Grande do Sul, Brasil · Updated Nov 2, 2026, 1:21 AM (UTC−3) · First recorded Nov 2, 2026, 1:17 AM (UTC−3)
What happened
Civil Defense and Inmet continue to issue advisories for rain, hail, and strong winds in Rio Grande do Sul. A new report adds the risk of flooding and rising river levels in the coming days. There is no information about a state of emergency or widespread damage.
When: Between Sunday, November 1st, and Tuesday
Why it matters
Heavy rain and wind can cause local incidents, temporary disruptions, and travel problems. The risk of rising river levels requires monitoring, but the data do not confirm any overflows.
Impact on Brazil: Direct
Direct impact on Rio Grande do Sul. No direct effect on Brasília/DF was identified.
What changed
The risk of flooding and rising river levels was added.
What to do now
- Monitor Civil Defense and Inmet advisories.
- Avoid flooded areas and do not cross strong currents.
- Keep away from trees and fragile structures during wind gusts.
Next 24 hours
- Monitor rainfall totals, river levels, and municipal incidents.
Next 7 days
- Follow local guidance if the advisories are expanded.
What you do not need to do
- There is no need to make panic-driven preventive purchases.
Possible scenarios
Scenarios are conditional possibilities, not predictions.
A — Stabilization
Supporting evidence: The alerts end without significant damage or overflowing rivers.
Still unknown: The actual rainfall totals in each municipality.
Would make it more likely: Reduced rainfall and the end of official advisories.
Would weaken it: Persistence of intense storm cells.
Practical consequences: Scattered incidents and gradual normalization.
B — Limited worsening
Supporting evidence: Hail, strong winds, and flooding are forecast.
Still unknown: Which municipalities will experience the greatest impacts.
Would make it more likely: Reports of fallen trees, blockages, and urban flooding.
Would weaken it: No incidents during the critical period.
Practical consequences: Local disruptions to traffic and power.
C — Significant worsening
Supporting evidence: Rising river levels are cited as a risk.
Still unknown: Whether rivers will overflow or residents will need to be evacuated.
Would make it more likely: Official danger alerts, overflowing rivers, or evacuations.
Would weaken it: Stable rivers and rainfall below forecast levels.
Practical consequences: Regional damage and the temporary relocation of residents.
What to watch
- Changes in alert levels
- River overflows
- Significant power or highway disruptions
Sources
- Official Defesa Civil do Rio Grande do Sul: Defesa Civil alerta: condição de ALERTA para tempestade com vento e granizo que atuam nas proximidades de Vacaria Nov 1, 2026, 10:11 PM (UTC−3)
- Official Defesa Civil do Rio Grande do Sul: Defesa Civil alerta: condição de ALERTA para tempestade com vento e granizo que atuam nas proximidades de Lagoa Vermelha Nov 1, 2026, 9:12 PM (UTC−3)
- Official Defesa Civil do Rio Grande do Sul: Defesa Civil alerta: condição de ALERTA para tempestade com vento e granizo que atuam nas proximidades de Nonoai Nov 1, 2026, 7:38 PM (UTC−3)
- Official Defesa Civil do Rio Grande do Sul: Defesa Civil alerta: condição de ALERTA para tempestade com vento e granizo que atuam nas proximidades de Frederico Westphalen Nov 1, 2026, 7:21 PM (UTC−3)
- Official Defesa Civil do Rio Grande do Sul: Defesa Civil alerta: condição de ALERTA para tempestade com vento e granizo que atuam nas proximidades de Derrubadas Nov 1, 2026, 6:01 PM (UTC−3)
- Official Defesa Civil do Rio Grande do Sul: Centro de Monitoramento da Defesa Civil do Estado atualiza o prognóstico hidrológico para os próximos dias Nov 1, 2026, 5:49 PM (UTC−3)
- Official Portal do Estado do Rio Grande do Sul: Tempestades com vento e granizo voltam a atuar no território gaúcho neste domingo (1º) Nov 1, 2026, 5:06 PM (UTC−3)
- Wire service G1: Defesa Civil emite novos alertas para o RS, que tem risco de tempestades com queda de granizo e rajadas de vento Nov 1, 2026, 3:45 PM (UTC−3)
- Press Terra: Inmet emite alerta amarelo para chuva e vento forte no RS nesta segunda-feira Nov 1, 2026, 10:01 PM (UTC−3)
- Press Sistema Província de Comunicação: Chuva atinge a Região Celeiro e Defesa Civil alerta para risco de temporal Nov 1, 2026, 7:09 PM (UTC−3)
- Press abc+: A partir deste domingo: Temporais com granizo e fortes rajadas colocam a maior parte do RS em alerta Nov 1, 2026, 7:07 PM (UTC−3)
- Press Guia Crissiumal: Not��cias - Defesa Civil alerta para risco de alagamentos e elevação de rios no Rio Grande do Sul nos próximos dias Nov 1, 2026, 5:43 PM (UTC−3)
- Press força do vale: Tempestades com granizo e ventos de 90 km/h devem atingir o Rio Grande do Sul Nov 1, 2026, 5:30 PM (UTC−3)
- Press ncnews.com.br: Defesa Civil alerta para temporais no RS. Alertas chegam pelo celular Nov 1, 2026, 4:27 PM (UTC−3)
Classification history
- Nov 2, 2026, 1:21 AM (UTC−3) 2 · Concern Confirmed
- Nov 2, 2026, 1:20 AM (UTC−3) 2 · Concern Confirmed
- Nov 2, 2026, 1:18 AM (UTC−3) 2 · Concern Confirmed
- Nov 2, 2026, 1:17 AM (UTC−3) 2 · Concern Confirmed