– Lat/Long: 54.80° N 163.60° W
Roundtop Weather Forecast
Aleutian Range · United StatesIssued: 3 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
3 Roundtop Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 58mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 4°C on Wed night, min -5°C on Thu afternoon). Winds increasing (light winds from the SSW on Wed morning, stormy winds from the S by Wed night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sat afternoon. Temperatures will be below freezing (max -2°C on Sat morning, min -5°C on Sun morning). Winds increasing (fresh winds from the W on Sat night, near gales from the NW by Mon afternoon). | |||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  |  | |  | | |  | | | | |
clear | cloudy | light snow | some clouds | snow shwrs | mod. snow | snow shwrs | snow shwrs | snow shwrs | light snow | light snow | some clouds | light snow | some clouds | clear | clear | some clouds | some clouds | |
Cloud base (m) | 500 | 400 | 150 | 200 | 250 | 150 | 150 | 300 | 200 | 250 | 200 | 700 | 250 | 300 | 700 | 550 | 700 | 550 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 3 | — | 1 | 9 | 5 | 1 | 1 | 1 | 3 | — | 1 | — | — | — | — | — |
mm | — | — | 58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -1 | 0 | 4 | 0 | -5 | -3 | -3 | -3 | -1 | -2 | -3 | -4 | -5 | -5 | -4 | -4 | -4 | -4 |
min °C | -2 | -1 | 2 | -2 | -5 | -4 | -3 | -3 | -2 | -3 | -3 | -4 | -5 | -5 | -4 | -4 | -4 | -5 |
chill °C | -6 | -8 | -7 | -11 | -15 | -15 | -13 | -13 | -11 | -12 | -12 | -12 | -13 | -13 | -12 | -13 | -13 | -15 |
Freezing level m | 1350 | 1700 | 2450 | 2000 | 1150 | 1400 | 1400 | 1350 | 1500 | 1400 | 1400 | 1250 | 1150 | 1150 | 1100 | 1050 | 1100 | 1050 |
 | 8:41 | — | — | 8:42 | — | — | 8:45 | — | — | 8:47 | — | — | 8:48 | — | — | 8:49 | — | — |
 | — | 8:51 | — | — | 8:47 | — | — | 8:45 | — | — | 8:43 | — | — | 8:39 | — | — | 8:37 | — |
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Roundtop Weather (Days 0-3):
The weather forecast for Roundtop is: Heavy rain (total 58mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 4°C on Wed night, min -5°C on Thu afternoon). Winds increasing (light winds from the SSW on Wed morning, stormy winds from the S by Wed night).
Roundtop Weather (Days 3-6):
A light covering of new snow mostly falling on Sat afternoon. Temperatures will be below freezing (max -2°C on Sat morning, min -5°C on Sun morning). Winds increasing (fresh winds from the W on Sat night, near gales from the NW by Mon afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP4041 | |||||
Cold Bay Airport |  | ||||
BUOY-KCXA2 | |||||
BUOY-KGCA2 | |||||
SHIP7669 | |||||
SHIP5099 | |||||
SHIP7251 | |||||
SHIP9302 | |||||
Cold Bay Airport | |
* 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.