– Lat/Long: 54.80° N 163.60° W
Roundtop Weather Forecast
Aleutian Range · United StatesIssued: 9 am Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
3 Roundtop Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow heaviest on Wed night. Turning milder with heavy rain (total 47mm), heaviest during Wed night. Freeze-thaw conditions (max 3°C on Wed night, min -6°C on Tue morning). Winds increasing (calm on Tue night, severe gales from the S by Wed night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Fri afternoon. Temperatures will be below freezing (max -1°C on Fri night, min -5°C on Sat morning). Winds decreasing (stormy winds from the SW on Fri night, fresh winds from the W by Sat night). | |||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | |  |  |  | | | | | | |  | |
clear | some clouds | clear | clear | cloudy | light snow | rain shwrs | some clouds | snow shwrs | light snow | snow shwrs | snow shwrs | some clouds | light snow | snow shwrs | light snow | snow shwrs | some clouds | |
Cloud base (m) | 500 | 550 | 600 | 500 | 400 | 150 | 200 | 250 | 150 | 300 | 200 | 250 | 300 | 350 | 350 | 200 | 250 | 600 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | 5 | — | — | 9 | 1 | 2 | 3 | — | 1 | 2 | 2 | 1 | — |
mm | — | — | — | — | — | 44 | 3 | — | — | — | — | — | — | — | — | — | — | — |
max °C | -5 | -5 | -3 | -2 | 0 | 3 | 2 | -3 | -2 | -2 | -2 | -1 | -4 | -3 | -4 | -4 | -4 | -5 |
min °C | -6 | -5 | -5 | -2 | -1 | 0 | -1 | -3 | -3 | -3 | -3 | -4 | -5 | -3 | -4 | -4 | -4 | -5 |
chill °C | -13 | -10 | -8 | -6 | -8 | -9 | -9 | -12 | -14 | -13 | -12 | -15 | -16 | -12 | -12 | -14 | -14 | -15 |
Freezing level m | 900 | 1000 | 1050 | 1350 | 1650 | 2200 | 2350 | 1250 | 1450 | 1350 | 1450 | 1750 | 1150 | 1250 | 1250 | 1200 | 1200 | 1150 |
 | 8:38 | — | — | 8:41 | — | — | 8:42 | — | — | 8:45 | — | — | 8:47 | — | — | 8:48 | — | — |
 | — | 8:52 | — | — | 8:51 | — | — | 8:47 | — | — | 8:45 | — | — | 8:43 | — | — | 8:39 | — |
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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 heavy rain (total 47mm), heaviest during Wed night. Freeze-thaw conditions (max 3°C on Wed night, min -6°C on Tue morning). Winds increasing (calm on Tue night, severe gales from the S by Wed night).
Roundtop Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri afternoon. Temperatures will be below freezing (max -1°C on Fri night, min -5°C on Sat morning). Winds decreasing (stormy winds from the SW on Fri night, fresh winds from the W 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 |
|---|---|---|---|---|---|
 | |||||
Cold Bay Airport |  | ||||
SHIP8618 | |||||
ASCATC196E55N | |||||
BUOY-KCXA2 | |||||
ASCATC196E55N | |||||
BUOY-KCXA2 | |||||
BUOY-KGCA2 | |||||
SHIP4433 | |||||
SHIP3254 |
* 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.