– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 pm Sat 19 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 19 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 15°C on Sun night, min 6°C on Tue morning). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 5mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 7°C on Tue afternoon, min 0°C on Fri morning). Wind will be generally light. | ||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  | | |  |  | | |  | |  | |
some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | cloudy | cloudy | light rain | |
Cloud base (m) | 9250 | 9450 | 7700 | 7050 | 5750 | 4600 | 750 | 1900 | 900 | 950 | 5750 | 5250 | 2250 | ||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 3 | 0.2 | 1.7 | 0.4 | — | — | 0.1 |
max °C | 13 | 14 | 13 | 14 | 15 | 12 | 11 | 11 | 7 | 7 | 7 | 5 | 5 | 5 | 4 | 6 | 7 |
min °C | 12 | 13 | 13 | 14 | 13 | 10 | 10 | 7 | 6 | 7 | 4 | 4 | 4 | 4 | 4 | 6 | 3 |
chill °C | 12 | 13 | 13 | 14 | 12 | 10 | 10 | 5 | 4 | 6 | 2 | 2 | 2 | 3 | 4 | 6 | 2 |
Freezing level m | 3750 | 3950 | 3950 | 4000 | 3850 | 3600 | 3450 | 3400 | 2950 | 2650 | 2300 | 2100 | 2250 | 2250 | 2300 | 2600 | 2150 |
 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — |
 | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mostly dry. Very mild (max 15°C on Sun night, min 6°C on Tue morning). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 7°C on Tue afternoon, min 0°C on Fri morning). Wind will be generally light.
This table gives the weather forecast for North Twin Sister at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
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