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Rainbow Snow Forecast - 20th April 2026

Rainbow Snow Report and Forecast

ECMWF IFS
GFS

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Updated 19 April 2026 23:46 PDT

Snow Forecast for Rainbow

Snow and Weather from 20 April.

For Forecast detail, see below.

Rainbow Snow Forecast Highlights

When will there be fresh snow in Rainbow?

Rainbow Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (5,310ft)
Next Snow Expected21 April
Next Snow Amount1in
Next 48 Hours1in
Next 7 Days1in

Forecast for today in Rainbow

Max 35°F
Min 28°F

Freeze-thaw conditions, with valley temperatures cooling to 28°F and rising to 35°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
20

New Snow

MixedSnowLight SnowCloud

Clear spells first, snow showers then light snow, cloudy later.

Snow Line from 4,918ft to resort level (4,715ft).

Forecast times for Rainbow are in Auckland (Pacific/Auckland) time zone.

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Rainbow 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Rainbow from OpenMeteo(ECMWF IFS)
Mon
20
Tue
21
Wed
22
Thu
23
Fri
24
Sat
25
Sun
26
WindSE F4SE F4SE F4
5,906ft
31°F
Lt Snow Shwrs
27°F
Light Snow
+1in
26°F
Lt Snow Shwrs
35°F
Cloud
46°F
Clear
49°F
Clear
43°F
Mixed
SE F4SE F4SE F4
5,310ft
33°F
Lt Snow Shwrs
29°F
Light Snow
+1in
28°F
Lt Snow Shwrs
38°F
Cloud
48°F
Clear
51°F
Clear
45°F
Mixed
SE F4SE F4SE F4
4,715ft
35°F
Lt Snow Shwrs
31°F
Light Snow
+1in
31°F
Lt Snow Shwrs
40°F
Cloud
51°F
Clear
53°F
Clear
48°F
Mixed
Snow Line

varying 4,918ft
to 4,715ft

4,715ft

4,715ft

Max Town35°F31°F31°F40°F51°F53°F48°F
Min Town28°F27°F27°F27°F26°F28°F30°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

New Zealand Hotels Map

 

Snow Reliability

Rainbow Resort typically enjoys reliable snow conditions, with an average snow depth of 150 cm and consistent snowfall throughout the season. For the latest snow information, check J2Ski for updates.

Understanding and predicting Snow Conditions in Rainbow

Here are our tips for making the most of a trip to Rainbow, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Rainbow, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Rainbow is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Rainbow will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Rainbow for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.