Advarsler, Rai Valley

Heavy Rain Warning - Orange Area: Marlborough about and north of Blenheim Forecast: Expect 50 to 90 mm of rain, on top of what has fallen. Peak rates of 15 to 25 mm/h. Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible. Chance of upgrading to a Red Warning: Low. Impact: Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously.