– Lat/Long: 44.14° N 121.77° W
Three Sisters Weather Forecast
Cascade Range · United StatesIssued: 10 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
3 Three Sisters Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Mild temperatures (max 6°C on Mon night, min 3°C on Wed morning). Winds increasing (light winds from the SW on Mon night, near gales from the SW by Thu morning). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 4°C on Thu night, min -5°C on Fri morning). Winds decreasing (stormy winds from the SW on Thu night, calm by Fri night). | |||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | |  |  |  | | | |  | |
some clouds | cloudy | clear | clear | some clouds | clear | clear | some clouds | cloudy | snow shwrs | light snow | snow shwrs | some clouds | cloudy | cloudy | cloudy | |
Cloud base (m) | 7300 | 6850 | 5900 | 5950 | 7000 | 7300 | 6750 | 1750 | 1700 | 1700 | 6750 | 4850 | 4550 | 2050 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | 4 | 3 | 1 | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 6 | 5 | 4 | 4 | 3 | 4 | 5 | 5 | 5 | 4 | -3 | -1 | 1 | 2 | 1 | -1 |
min °C | 5 | 4 | 4 | 4 | 3 | 3 | 4 | 5 | 5 | -3 | -5 | -5 | -1 | 2 | 0 | -3 |
chill °C | 1 | 0 | 0 | 0 | -2 | -2 | -2 | -2 | -1 | -13 | -16 | -14 | -5 | -2 | -7 | -12 |
Freezing level m | 3850 | 3700 | 3750 | 3800 | 3650 | 3750 | 3950 | 3900 | 3850 | 2850 | 2400 | 2900 | 3200 | 3550 | 3100 | 2700 |
 | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | — | 7:05 | — | — | 7:02 | — | — | 7:00 | — | — | 6:59 | — | — | 6:57 | — |
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Three Sisters Weather (Days 0-3):
The weather forecast for Three Sisters is: Mostly dry. Mild temperatures (max 6°C on Mon night, min 3°C on Wed morning). Winds increasing (light winds from the SW on Mon night, near gales from the SW by Thu morning).
Three Sisters Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 4°C on Thu night, min -5°C on Fri morning). Winds decreasing (stormy winds from the SW on Thu night, calm by Fri night).
This table gives the weather forecast for Three Sisters at the specific elevation of 3157 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Three Sisters. 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 Oregon.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Sunriver Airport (Oregon) |  | ||||
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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