Hourly Forecast - Altona
| Date/Time (MST) | Temp. (°C) | Weather Conditions | Likelihood of precip (%) | UV index | Wind (km/h) | Wind Chill |
|---|---|---|---|---|---|---|
| 1 April 2025 | ||||||
| 15:00 | -1 |  Mainly sunny | 0 | 1 | N 10 | -5 |
| 16:00 | -1 | Mainly sunny | 0 | 1 | N 10 | -4 |
| 17:00 | 0 | Mainly sunny | 0 | * | N 10 | * |
| 18:00 | -1 | Mainly sunny | 0 | * | N 10 | -5 |
| 19:00 | -2 | Mainly sunny | 0 | * | N 10 | -6 |
| 20:00 | -3 |  A few clouds | 0 | * | N 10 | -7 |
| 21:00 | -4 |  Partly cloudy | 0 | * | N 10 | -8 |
| 22:00 | -5 | Partly cloudy | 0 | * | N 10 | -9 |
| 23:00 | -6 | Partly cloudy | 0 | * | N 10 | -10 |
| 2 April 2025 | ||||||
| 00:00 | -7 | Partly cloudy | 0 | * | N 10 | -11 |
| 01:00 | -7 | Partly cloudy | 0 | * | N 10 | -12 |
| 02:00 | -8 | Partly cloudy | 0 | * | N 10 | -13 |
| 03:00 | -9 |  Mainly cloudy | 0 | * | N 10 | -14 |
| 04:00 | -10 | Mainly cloudy | 0 | * | N 10 | -15 |
| 05:00 | -11 |  Cloudy | 0 | * | N 10 | -16 |
| 06:00 | -10 | Overcast | 0 | * | W 10 | -16 |
| 07:00 | -10 | Overcast | 0 | * | W 10 | -15 |
| 08:00 | -9 | Overcast | 0 | * | W 10 | -14 |
| 09:00 | -7 | Overcast | 0 | * | W 10 | -12 |
| 10:00 | -5 | Overcast | 0 | 1 | W 10 | -9 |
| 11:00 | -3 | Overcast | 0 | 1 | W 10 | -7 |
| 12:00 | -2 |  Chance of flurries or rain showers | 60 | 1 | NW 30 gusts 60 | -9 |
| 13:00 | 0 | Chance of flurries or rain showers | 60 | 1 | NW 30 gusts 60 | * |
| 14:00 | 1 | Chance of flurries or rain showers | 60 | 1 | NW 30 gusts 60 | * |
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