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Last update: 06:00, 9 Sept 2026
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One of the core municipalities within the Monterrey metropolitan area, sharing the Santa Catarina river basin flood risk documented for the wider metro. For Guadalupe specifically, that's the detail a regional forecast can't account for.
One of the core municipalities within the Monterrey metropolitan area, sharing the Santa Catarina river basin flood risk documented for the wider metro.. The Santa Catarina River bisects Monterrey; the 1909 flood, when the river burst its banks, killed an estimated 5,000 people and remains the worst disaster in the city's history..
RainViewer's radar data for Mexico comes from the Comision Nacional del Agua (CONAGUA), updated every 5 minutes. What the live map shows for Guadalupe that a forecast cannot: exactly where the rain is right now, not a generic probability for the wider region.
Rainy season (May-September): most active period, peaking around September as tropical systems arrive from the Gulf; flash flooding of the Santa Catarina river through central Monterrey is a recurring seasonal pattern.
Dry season (November-April): considerably drier, with January and February typically the driest months of the year.
Guadalupe is one of the most densely populated municipalities in the Monterrey metro area.. Checking the Guadalupe rain radar 20 minutes before a weather-sensitive activity here shows whether conditions will hold or deteriorate.
One of the core municipalities within the Monterrey metropolitan area, sharing the Santa Catarina river basin flood risk documented for the wider metro.. The live radar shows whether conditions are building or clearing -- the key question for anyone planning around rain in Guadalupe.
First-time visitors to Guadalupe tend to underestimate how fast conditions change here. The hyperlocal radar shows real rain, minute by minute, instead of a generic forecast icon.
RainViewer's radar data for Mexico comes from the Comision Nacional del Agua (CONAGUA) -- Mexico's National Water Commission -- supplemented by regional sources including the Comision Estatal de Aguas de Queretaro and the Universidad de Guadalajara's (UdG) meteorological radar. The map updates every 5 minutes, showing the actual rain over Guadalupe rather than a generic probability for the wider region.
Guadalupe is one of the most densely populated municipalities in the Monterrey metro area.. That's context, not a current forecast -- for real-time conditions, RainViewer's Guadalupe radar updates every 5 minutes with CONAGUA data.
It depends on the storm's exact position and speed, not a forecast percentage. Pulling up the Guadalupe radar before leaving shows whether rain is close or already past.
One of the core municipalities within the Monterrey metropolitan area, sharing the Santa Catarina river basin flood risk documented for the wider metro. is a recognized risk here, and traffic can back up quickly once heavy rain starts. The radar helps time departures around it.
One of the core municipalities within the Monterrey metropolitan area, sharing the Santa Catarina river basin flood risk documented for the wider metro.. A radar check ahead of heavy rain is worth the minute it takes.
Dry season (November-April): considerably drier, with January and February typically the driest months of the year. Visiting outside the wettest months means checking the radar before committing to outdoor plans.
Annual precipitation ~600-650 mm, wettest month September (up to 150 mm), driest December, which tends to produce narrow, localized storm cells rather than broad, uniform rain across Guadalupe. A standard forecast can't capture that kind of variation.
Yes, RainViewer covers Guadalupe with a hyperlocal radar built on CONAGUA data, updated every 5 minutes, with 48 hours of radar history and a short-term forecast on the Essential plan.
You can -- RainViewer's rain alerts can be set for an exact location in Guadalupe, giving advance notice rather than just confirming current rain.
Know before you go — Guadalupe
Guadalupe is one of the most densely populated municipalities in the Monterrey metro area.. RainViewer tracks the actual rain over Guadalupe in real time, not just a forecast for the day.
Track rain in Guadalupe — free. Upgrade to Essential for alerts, forecasts, and full radar history.