Is it raining now in Mortara?
Sunny
9 SeptNo upcoming precipitation for the next hour.
Last update: 14:00, 9 Sept 2026
Free to download * Essential from $0.83 * Prices vary by region and promotions.
- App Only
Track up to 20 locations
Home, office, kids' school - all at once, no switching tabs.
- App Only
Alerts for each of them
Get notified 15 minutes before rain - while you can still change your plans.
- App Only
Widgets on your home screen
Live radar without opening the app - on your lock screen or home screen.
Rain in Mortara: What You Need to Know
Mortara sits in the Lomellina, the rice-growing plain between the Agogna and Terdoppio rivers in Pavia province, and the Mortara rain radar delivers a hyperlocal radar view suited to this flat, water-table-high terrain. The climate is Köppen Cfa — warm temperate, consistently humid, with hot summers typical of the Po plain.
The mechanism is shared with the wider Po Valley: a flat basin traps humid air over the flooded rice paddies, and Genoa Low and Atlantic frontal systems bring rain from the west or southwest. The extensive irrigated rice paddies add local humidity and morning mist on top of the standard Po Valley fog, giving Mortara a distinct microclimate signature within the region.
RainViewer shows precipitation over Mortara's paddies and the Agogna-Terdoppio corridor in real time. Protezione Civile issues colour-coded alerts (gialla, arancione, rossa) for the Pavia/Lomellina area, but hyperlocal radar is what tells a farmer or driver whether rain is over the flooded fields right now or still approaching from the west.
Rain by Season in Mortara
Seasonal weather pattern
Mortara follows the Po Valley regime: an autumn maximum (October-November), a secondary spring peak, summer convective storms, and a winter minimum. Layered on top is a locally distinct agricultural-weather calendar: rice paddies are flooded (sommersione) in spring (April-May) for planting and drained before the autumn harvest (September-October).
Seasonal weather pattern
Winter brings dense Po Valley/Lomellina fog over the flat, water-table-high terrain. The Sagra del Salame d'Oca (goose salami fair), Mortara's signature PGI food product, is held in the autumn shoulder season, right as harvest and the wet peak overlap.
Why You Need a Rain Radar in Mortara
Rice paddy flooding and drainage (sommersione).
Fields are flooded in April-May for planting and drained before the September-October harvest, a locally distinct calendar. Heavy rain during either window compounds irrigation timing and can strain the canal network.
Salame d'Oca di Mortara PGI production and the autumn sagra.
Mortara's signature food industry product has its own autumn fair, held during the shoulder season as the wet peak approaches. Checking radar ahead of the sagra helps plan outdoor stalls and events.
Agogna and Terdoppio river flood risk.
Flat, poorly-draining Lomellina terrain floods locally during intense autumn cloudbursts, especially where these rivers are constrained. This is the area's clearest hazard angle beyond fog.
Milan-Mortara-Alessandria railway junction.
Mortara is a regional rail junction town, and winter fog is a recurring driving and agricultural hazard here, affecting both road and rail visibility.
RainViewer Radar Coverage in Mortara
RainViewer draws radar data for Italy from the Dipartimento della Protezione Civile (Italian Civil Protection Department) national radar network, supplemented by regional radar systems from ARPA agencies including ARPA Veneto, ARPAE Emilia-Romagna, ARPA FVG, and ARPAL, updated every 5 minutes. Coverage spans the Italian mainland, Sicily, and Sardinia. From Mortara, the map extends across the Lomellina toward Pavia and Alessandria.
Mortara Rain Radar: Frequently Asked Questions
- Is it raining in Mortara right now?
Mortara's hyperlocal radar shows live rain over the town and the surrounding rice paddies, updated every 5 minutes from the Protezione Civile national network. This matters for farmers managing the sommersione flooding calendar. It updates continuously, not on a fixed forecast cycle.
- Can I plan an outdoor activity in Mortara today?
Check the 2-hour forecast in 5-minute slices before heading out, since summer convective storms remain a hazard across the Lomellina. Autumn carries the highest chance of sustained rain, coinciding with the harvest and the Sagra del Salame d'Oca season. Short-range radar beats a single daily forecast.
- Will fog affect my drive on the Milan-Mortara-Alessandria line or local roads?
Dense winter fog is a recurring driving and agricultural hazard on the flat, water-table-high Lomellina terrain. Checking live radar and conditions before travel helps anticipate visibility drops. This risk is sharper here than on higher, better-drained ground.
- Does Mortara flood?
Flat, poorly-draining Lomellina terrain floods locally during intense autumn cloudbursts, especially where the Agogna and Terdoppio rivers are constrained. The rice-paddy irrigation network, fed by canals from the Ticino system, can also back up during heavy rain, adding to local flood risk.
- When is the best time to visit Mortara for dry weather?
Winter carries the regional minimum for rainfall, though it brings dense fog instead. Outside the sommersione flooding windows in spring and the wet autumn harvest season, drier stretches are more likely between convective episodes in summer.
- Why does rain and fog vary so much across Mortara and the Lomellina?
The extensive irrigated rice paddies add local humidity and morning mist on top of the standard Po Valley fog, making Mortara's microclimate distinct from drier plain towns nearby. A cloudburst can sit over the Agogna corridor while paddies further from the river stay clear. Hyperlocal radar shows this variation directly.
- How often does the radar update for Mortara?
The Protezione Civile national radar network updates every 5 minutes, giving RainViewer a near-live view of rain over Mortara and the Lomellina. This resolution helps farmers and drivers track fast-changing conditions over the flat rice-growing plain.
- Can I get rain alerts for the rice paddies or the Agogna river?
RainViewer can send a rain alert timed to when precipitation reaches a chosen point, such as a paddy field or the riverbank. This gives farmers and residents advance notice before a cloudburst or flood-relevant system arrives.
Track Rain in Mortara in Real Time
Mortara's rice paddies follow their own flooding calendar each spring, and an autumn cloudburst during harvest can strain the Agogna and Terdoppio rivers fast. A daily forecast will not tell you how close that rain is to the fields.
RainViewer shows the 2-hour forecast in 5-minute slices, so you see rain building over the Lomellina before it reaches the paddies. Set a rain alert for the Agogna riverbank ahead of the harvest window. Direction arrows show storms arriving from the west or southwest as Genoa Low systems cross the plain. Check 48 hours of radar history to see how a front tracked through. Track rain across multiple locations at once — Mortara, Pavia, and Alessandria.
A static forecast tells you it might rain in Mortara today. Live hyperlocal radar shows the rain reaching the rice paddies right now.
Track rain in Mortara — free Upgrade to Essential for alerts, forecasts, and full radar history
RainViewer
