– Lat/Long: 54.80° N 163.60° W
Roundtop Weather Forecast
Aleutian Range · United StatesIssued: 9 am Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
3 Roundtop Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Wed night. Becoming milder with moderate rain (total 12mm) on Wed night. Freeze-thaw conditions (max 2°C on Wed night, min -7°C on Mon morning). Winds increasing (calm on Tue night, severe gales from the SSE by Wed night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 2°C on Thu morning, min -4°C on Thu afternoon). Winds decreasing (severe gales from the SSW on Thu night, fresh winds from the W by Sat night). | |||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | |  |  |  | | |  | | | | |  | |
snow shwrs | snow shwrs | some clouds | clear | clear | clear | clear | light snow | heavy snow | some clouds | clear | heavy snow | mod. snow | some clouds | some clouds | snow shwrs | light snow | cloudy | |
Cloud base (m) | 300 | 300 | 300 | 550 | 550 | 600 | 450 | 400 | 200 | 150 | 300 | 150 | 100 | 200 | 250 | 450 | 300 | 400 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 2 | 2 | — | — | — | — | — | 1 | 16 | — | — | 11 | 7 | — | — | 1 | 1 | — |
mm | — | — | — | — | — | — | — | — | 12 | — | — | — | — | — | — | — | — | — |
max °C | -7 | -6 | -6 | -6 | -5 | -3 | -2 | -1 | 2 | 2 | -4 | -2 | -2 | -1 | -2 | -3 | -3 | -3 |
min °C | -7 | -6 | -6 | -6 | -5 | -5 | -2 | -1 | -1 | 0 | -4 | -4 | -3 | -2 | -3 | -4 | -4 | -4 |
chill °C | -18 | -16 | -15 | -13 | -10 | -9 | -7 | -8 | -10 | -9 | -14 | -14 | -13 | -12 | -12 | -13 | -13 | -12 |
Freezing level m | 800 | 900 | 900 | 850 | 1000 | 1100 | 1350 | 1550 | 1800 | 2450 | 1250 | 1300 | 1300 | 1500 | 1350 | 1300 | 1250 | 1300 |
 | 8:37 | — | — | 8:38 | — | — | 8:41 | — | — | 8:42 | — | — | 8:45 | — | — | 8:47 | — | — |
 | — | 8:55 | — | — | 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 heavy fall of snow, heaviest during Wed night. Becoming milder with moderate rain (total 12mm) on Wed night. Freeze-thaw conditions (max 2°C on Wed night, min -7°C on Mon morning). Winds increasing (calm on Tue night, severe gales from the SSE by Wed night).
Roundtop Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 2°C on Thu morning, min -4°C on Thu afternoon). Winds decreasing (severe gales from the SSW on Thu 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 |  | ||||
BUOY-KCXA2 | |||||
BUOY-KGCA2 | |||||
SHIP3307 | |||||
SHIP6797 | |||||
SHIP543 | |||||
SHIP5677 | |||||
SHIP8075 | |||||
SHIP8256 |
* 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.