– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 07 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 07 Oct Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 13mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 15°C on Wed afternoon, min -1°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 6°C on Mon afternoon, min -1°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  | |  |  | | | | | | |  |  | |
clear | clear | clear | clear | clear | rain shwrs | rain shwrs | clear | snow shwrs | some clouds | rain shwrs | clear | clear | clear | clear | clear | cloudy | light rain | |
Cloud base (m) | 9250 | 8850 | 8500 | 750 | 550 | 1550 | 600 | 750 | 1500 | 2950 | 1800 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 4 | 9 | — | — | — | 0.1 | — | — | — | — | — | — | 0.6 |
max °C | 14 | 15 | 14 | 13 | 11 | 10 | 5 | 2 | 1 | 0 | 3 | 3 | 2 | 4 | 5 | 4 | 6 | 6 |
min °C | 14 | 14 | 13 | 12 | 11 | 7 | 2 | 1 | -1 | -1 | 2 | 2 | 2 | 4 | 4 | 4 | 5 | 4 |
chill °C | 14 | 14 | 12 | 12 | 10 | 4 | -2 | -2 | -3 | -4 | 0 | 1 | 2 | 4 | 4 | 3 | 5 | 0 |
Freezing level m | 3950 | 3850 | 3900 | 3800 | 3550 | 2750 | 1950 | 1700 | 1450 | 1550 | 1950 | 1950 | 1950 | 2350 | 3300 | 3250 | 3200 | 2650 |
 | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — |
 | — | 6:35 | — | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Moderate rain (total 13mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 15°C on Wed afternoon, min -1°C on Fri night). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 6°C on Mon afternoon, min -1°C on Sat 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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