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TL;DR: A huge weather system is sweeping across Chile on Friday, July 31st, bringing rain to at least 13 regions—from the northern desert to the southern fjords. Even the super-dry Atacama Desert might get a rare sprinkle!
According to Alejandro Sepúlveda, the weather expert from Megatiempo, the rain band stretches from Antofagasta all the way down to Aysén. There’s even a chance Tarapacá (way up north) gets wet too.
That’s 13–14 regions in a single day!
| # | Region | What to Expect |
|---|---|---|
| 1 | Tarapacá | Light drizzle possible (mainly coast) |
| 2 | Antofagasta | Rain showers, especially coastal areas |
| 3 | Atacama | Rare rainfall for the world’s driest desert! |
| 4 | Coquimbo | Wet weather arriving |
| 5 | Valparaíso | Rain likely |
| 6 | Metropolitana (Santiago) | Grab your umbrella! |
| 7 | O’Higgins | Showers expected |
| 8 | Maule | Rainy day ahead |
| 9 | Ñuble | Wet conditions |
| 10 | Biobío | Persistent rain |
| 11 | La Araucanía | Steady rainfall |
| 12 | Los Ríos | Rain continues south |
| 13 | Los Lagos | Cloudy and wet |
| 14 | Aysén | Southern end of the system |
DID YOU KNOW? The Atacama Desert is one of the driest places on Earth. So even a tiny bit of rain is a BIG DEAL there!
IMPORTANT FOR NORTHERN FOLKS:
“5 or 6 millimeters might not sound like much, but for you guys in the desert, that’s a SIGNIFICANT rain event!” – Alejandro Sepúlveda
Meteorologist Jaime Leyton says: about 3 hours of rain in the north. But… the system is hanging around, so extra sprinkles could pop up later in the day.
| Time | Regions Affected |
|---|---|
| Early Morning (Madrugada) | Tarapacá coast, Antofagasta, Atacama coast |
| Morning | Rain moves south → Coquimbo, Valparaíso, Santiago |
| Midday–Afternoon | Central & Southern Chile (O’Higgins → Aysén) |
| Evening | Lingering showers in the south |

Photo: ATON – Check the map to see if your region is in the rain zone!
Yes! July is winter in Chile. Frontal systems like this are typical winter weather—but this one is unusually wide, covering nearly the whole country at once.
Yes. The Metropolitan Region is on the list. Expect a wet day—perfect for soup and staying cozy inside!
Probably. Even light rain in the desert can make roads surprisingly slick (dust + oil + water = slippery!). Plus, flash floods can happen in dry creek beds (quebradas).
Think of it like a giant wet sponge moving across the sky. It’s a boundary between cold and warm air that drags clouds and rain along with it. This one’s just really long!
Final Thought: Whether you’re in drizzly Iquique or pouring Puerto Montt—stay dry, stay safe, and maybe enjoy the rare sound of rain on the roof!