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Last update: 23:00, 5 Jun 2026
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Phitsanulok Rain Radar — Live Weather Map | RainViewer
Live rain radar for Phitsanulok, updated every 5 min. See upstream Nan valley rain before it raises the river in the city or closes Highway 12. Free.
Rain in Phitsanulok: What You Need to Know
Phitsanulok sits in the Nan River valley, flanked by mountains on both sides — the Phetchabun range to the east and the Luang Prabang range to the west. These mountains shape every storm. Rain that falls in the upper Nan catchment in Nan and Uttaradit provinces upstream arrives in Phitsanulok as rising river levels hours later. Meanwhile, local convective storms in the afternoon can produce flash flooding in the city's low-lying riverside areas independently of anything happening upstream.
Highway 12 — the East–West Economic Corridor — runs through the province and is one of the most important cross-country freight routes in northern Thailand. Rain on the mountain sections between Phitsanulok and Khon Kaen affects freight timing across the entire corridor.
RainViewer Radar Coverage in Phitsanulok
RainViewer combines northern and upper central Thailand radar for Phitsanulok. From here, you can track rain in Phetchabun, Sukhothai, and Uttaradit — useful if you're driving Highway 12 or monitoring the Nan River catchment.
Wet season (May–October)
Afternoon storms from late May through October. The mountain flanks receive considerably more rain than the valley floor. August and September are peak months.
Transition months (May and October)
The Nan River often remains elevated into November.
Dry season (November–April)
The valley runs dry and cool. Highway 12 is clear and efficient.
Why You Need a Rain Radar in Phitsanulok
Monitoring the Nan River flood risk for riverside communities
Seeing rain falling in Uttaradit and Nan province upstream — visible on the radar — gives Phitsanulok residents hours of advance notice before the water arrives at the city gauge.
Timing Highway 12 freight through the mountain section
The steep grades and sharp curves of Highway 12 through the Phetchabun mountains create genuine freight risk in rain. Dispatchers check the mountain section radar before committing vehicles.
Planning historical site visits for tourism
Day trippers from Bangkok or Chiang Mai check the local radar before driving to outdoor temple complexes that become muddy in heavy rain.
Phitsanulok Rain Radar: Frequently Asked Questions
- How often does the RainViewer map update for Phitsanulok?
Every 5 minutes.
- Can RainViewer show me rain in Nan and Uttaradit that might raise the river in Phitsanulok?
Yes. The radar covers the full Nan catchment upstream. Seeing heavy rain falling in those provinces is advance notice for Phitsanulok's riverside areas.
Track Rain in Phitsanulok in Real Time
See rain in Phitsanulok before it reaches the river
Whether you're monitoring the Nan River level or timing a Highway 12 freight run, RainViewer gives you the upstream and local precision that makes a difference.
2-hour forecast in 5-min slices
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