– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 37mm), heaviest during Tue morning. Temperatures will be slightly above freezing (max 4°C on Mon night, min 1°C on Tue night). Winds decreasing (fresh winds from the SW on Mon night, calm by Wed afternoon). | Days 4–6 Weather SummaryHeavy rain (total 31mm), heaviest during Thu night. Very mild (max 11°C on Sat night, min 3°C on Thu morning). Winds decreasing (fresh winds from the SW on Thu morning, calm by Sat night). | |||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  |  | |  | | | | | |  | |
some clouds | some clouds | mod. rain | heavy rain | mod. rain | clear | clear | clear | light rain | light rain | light rain | heavy rain | mod. rain | light rain | clear | clear | some clouds | some clouds | |
Cloud base (m) | 3400 | 2400 | 750 | 550 | 550 | 2000 | 1900 | 6100 | 3050 | 2050 | 650 | 550 | 600 | 700 | 9100 | 6850 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 8 | 22 | 7 | — | — | — | 0.1 | 3 | 3 | 18 | 7 | 0.4 | — | — | — | — |
max °C | 3 | 3 | 4 | 4 | 4 | 2 | 1 | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 6 | 7 | 9 | 11 |
min °C | 3 | 3 | 4 | 4 | 3 | 1 | 1 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 5 | 7 | 8 | 10 |
chill °C | -1 | -1 | -2 | -1 | -3 | -4 | -3 | 0 | 2 | -3 | -1 | 0 | 1 | 1 | 3 | 6 | 8 | 10 |
Freezing level m | 2500 | 2550 | 3050 | 2750 | 2500 | 2200 | 2300 | 2950 | 2800 | 3100 | 3000 | 2850 | 2650 | 2800 | 3600 | 3750 | 4000 | 4000 |
 | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Heavy rain (total 37mm), heaviest during Tue morning. Temperatures will be slightly above freezing (max 4°C on Mon night, min 1°C on Tue night). Winds decreasing (fresh winds from the SW on Mon night, calm by Wed afternoon).
North Twin Sister Weather (Days 3-6):
Heavy rain (total 31mm), heaviest during Thu night. Very mild (max 11°C on Sat night, min 3°C on Thu morning). Winds decreasing (fresh winds from the SW on Thu morning, calm by Sat night).
This table gives the weather forecast for North Twin Sister at the specific elevation of 2024 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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