– Lat/Long: 54.80° N 163.60° W
Roundtop Weather Forecast
Aleutian Range · United StatesIssued: 9 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
3 Roundtop Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Wed night. Turning milder with moderate rain (total 11mm), heaviest on Wed night. Freeze-thaw conditions (max 3°C on Wed night, min -6°C on Mon night). Winds increasing (calm on Tue night, stormy winds from the SSE by Wed night). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Thu night. Temperatures will be below freezing (max -2°C on Thu night, min -4°C on Sat night). Winds decreasing (severe gales from the WNW on Fri afternoon, light winds from the WSW by Sat 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 | |
 |  |  |  | |  |  |  | | |  | |  | | | | |
snow shwrs | clear | some clouds | clear | some clouds | cloudy | heavy snow | light rain | some clouds | heavy snow | light snow | some clouds | some clouds | clear | clear | snow shwrs | |
Cloud base (m) | 350 | 450 | 600 | 650 | 550 | 300 | 150 | 200 | 250 | 100 | 150 | 250 | 250 | 350 | 500 | 200 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 1 | — | — | — | — | — | 17 | — | — | 14 | 2 | — | — | — | — | 1 |
mm | — | — | — | — | — | — | 11 | 0.1 | — | — | — | — | — | — | — | — |
max °C | -6 | -6 | -5 | -2 | -2 | -1 | 3 | 2 | -4 | -2 | -3 | -2 | -2 | -2 | -3 | -3 |
min °C | -6 | -6 | -6 | -5 | -2 | -1 | 0 | 0 | -4 | -3 | -3 | -3 | -2 | -3 | -3 | -4 |
chill °C | -15 | -13 | -11 | -8 | -6 | -9 | -9 | -8 | -14 | -14 | -13 | -14 | -11 | -11 | -11 | -9 |
Freezing level m | 900 | 850 | 1000 | 1100 | 1500 | 1600 | 2050 | 2450 | 1200 | 1450 | 1400 | 1200 | 1500 | 1350 | 1400 | 1300 |
 | — | 8:38 | — | — | 8:41 | — | — | 8:42 | — | — | 8:45 | — | — | 8:47 | — | — |
 | — | — | 8:52 | — | — | 8:51 | — | — | 8:47 | — | — | 8:45 | — | — | 8:43 | — |
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Roundtop Weather (Days 0-3):
The weather forecast for Roundtop is: A moderate fall of snow, heaviest on Wed night. Turning milder with moderate rain (total 11mm), heaviest on Wed night. Freeze-thaw conditions (max 3°C on Wed night, min -6°C on Mon night). Winds increasing (calm on Tue night, stormy winds from the SSE by Wed night).
Roundtop Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu night. Temperatures will be below freezing (max -2°C on Thu night, min -4°C on Sat night). Winds decreasing (severe gales from the WNW on Fri afternoon, light winds from the WSW by Sat night).
This table gives the weather forecast for Roundtop at the specific elevation of 1871 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Roundtop. 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 Alaska United States.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
ASCATC197E54N | |||||
ASCATC196E54N | |||||
Cold Bay Airport | | ||||
ASCATC196E55N | |||||
BUOY-KCXA2 | |||||
BUOY-KGCA2 | |||||
SHIP9757 | |||||
SHIP8496 | |||||
SHIP4202 |
* 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.