0 Fog, Frost and Black Ice Alert Overnight May 5th and 6th
- Alerts
- by Stuart Gunn
- 05-05-2026
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High Risk: Ice & Frost
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Central Otago & Mackenzie Basin: Temperatures are expected to drop below zero again. Locations like Omarama, Twizel, and Tekapo face a high risk of black ice on shaded road sections (SH8 and SH79).
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Inland Canterbury: A high frost risk is forecast for Fairlie and Hanmer Springs, with overnight lows between 1°C and 4°C.
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Dunedin: Low cloud is expected to develop about the coast this evening, which may mitigate frost in the city, but inland areas (e.g., Mosgiel) still carry a moderate frost risk.
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