El Niño Observatory
El Niño conditions are present and being monitored · Niño 3.4 +1.3 °C

El Niño Observatory Monitored cities São Luís

El Niño in São LuísMA · Brazil

Current El Niño risk

Attention level: HighCritical · Drought / heat / fire risk3 day(s) with heavy rain in a flood-prone zone

São Luís is inside the projected impact zone Amazon & Northeast Brazil.

Suppressed convection brings severe drought, record-low rivers, fires and crop failure across the Amazon basin and the semi-arid Northeast.

Next 14 days in São Luís

14 of the next 14 days show a 60%+ chance of rain; 3 with heavy rain.

Wed
10
100%
17mm
Thu
11
97%
22mm
Fri
12
94%
2mm
Sat
13
87%
3mm
Sun
14
90%
3mm
Mon
15
90%
2mm
Tue
16
90%
4mm
Wed
17
88%
2mm
Thu
18
88%
11mm
Fri
19
87%
4mm
Sat
20
92%
5mm
Sun
21
90%
3mm
Mon
22
71%
2mm
Tue
23
90%
3mm

% is the chance of rain that day. mm is the expected amount.

Areas with flood history in São Luís

  • Mercado Central: Low drainage and recurrent heavy-rain flooding in the historic center
  • Estrada de Ribamar: Frequent flooding from poor drainage during intense rains
  • Lagoa da Jansen: Critically flagged flood-prone area during heavy rainfall
  • Riacho Verde / Jaguarema (Vila Lobão): Flood risk linked to drainage problems and rainfall
  • Vila Bacanga: Long-documented flooding from drainage failures and heavy rain
  • Coroadinho: Flood-prone area monitored by civil defense during rainy season

Sources: [1] [2] [3] [4]

AI-generated list using web search (Perplexity Sonar) from news and public sources. Use as a starting reference, not an official risk map.

What you should do

  • Store drinking water and cut non-essential use now, before restrictions arrive.
  • Never burn waste or vegetation: fire risk is sharply elevated in dry spells.
  • If you depend on agriculture, plan for reduced rainfall this season.
  • Watch for water-rationing announcements from your utility.
  • Always follow your national meteorological service and local civil defense. Their warnings override anything on this page.

Emergency kit: what to have ready

Emergency numbers

Numbers are national defaults; some regions use local variants. Confirm with local authorities.

Get alerts for your city

We watch the data so you don't have to. Get an email when a flood signal or a major El Niño change affects your area.

Frequently asked questions

Is São Luís affected by El Niño?

Yes. São Luís sits in the documented impact zone Amazon & Northeast Brazil: Suppressed convection brings severe drought, record-low rivers, fires and crop failure across the Amazon basin and the semi-arid Northeast.

Will it rain in São Luís in the coming days?

The current 14-day forecast shows 14 days with a 60%+ chance of rain and 3 days with heavy rain. Probabilities update every 6 hours.

What should residents of São Luís do?

Store drinking water and cut non-essential use now, before restrictions arrive. Never burn waste or vegetation: fire risk is sharply elevated in dry spells. Always follow your national meteorological service and local civil defense. Their warnings override anything on this page.

Other cities in Brazil

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Data refreshes every 6 hours. Forecast: Open-Meteo. Zone risk: NOAA data and documented El Niño patterns.

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