# Severe weather and flooding in Mato Grosso

> Live situation record from CLSTR: https://clstr.news/situations/severe-weather-and-flooding-in-mato-grosso
> Updated: 2026-10-16T22:38:25.000Z. Sources: 20. Developments: 2.

In Mato Grosso, heavy rainfall has led to storm alerts across 133 municipalities, with at least 15 cities declaring a state of emergency. In Cuiabá, precipitation recorded between Wednesday and Thursday reached approximately 85% of the expected total volume for October. Data from the Federal University of Mato Grosso indicates that the Mestre Bombled station recorded 99 mm of precipitation, which is about 77% of the historical monthly average.

Authorities have warned of risks including flooding, landslides, rapid rises in river levels, and structural damage. Residents are advised to monitor for signs of danger, such as leaning trees or cracks in walls, and to avoid flooded areas.

## Claims

- Rainfall recorded between Wednesday (14) and Thursday (15) reached approximately 85% of the expected volume for the entire month of October in Cuiabá. (corroborated by 3 sources)
- The Mestre Bombled station recorded 99 millimeters of precipitation during the period. (corroborated by 3 sources)
- The rainfall volume is approximately 77% of the historical average for October in Cuiabá, which is 128.6 millimeters based on 1991-2020 data. (corroborated by 3 sources)

## Timeline

### 2026-10-16: Mato Grosso issues storm alerts for 133 municipalities

Mato Grosso authorities have issued storm alerts for 133 municipalities, with 15 cities in emergency status due to heavy rainfall and high flood risks.

15 sources. https://clstr.news/cluster/cuiab-rainfall-reaches-85-of-expected-october-volume

### 2026-09-23: Mato Grosso do Sul records 441,000 lightning strikes

Mato Grosso do Sul recorded 441,000 lightning strikes during a period of instability, with Campo Grande seeing over 12,000 strikes in eight hours. An orange weather alert remains in effect.

7 sources. https://clstr.news/cluster/mato-grosso-do-sul-records-441000-lightning-strikes

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Cite as: Severe weather and flooding in Mato Grosso. CLSTR, https://clstr.news/situations/severe-weather-and-flooding-in-mato-grosso