– Lat/Long: 54.80° N 163.60° W
Roundtop Weather Forecast
Aleutian Range · United StatesIssued: 3 am Fri 18 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 18 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 Sat morning. Temperatures will be below freezing (max -3°C on Fri morning, min -10°C on Sun morning). Winds increasing (calm on Fri morning, near gales from the NW by Sat afternoon). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Wed afternoon will be washed away by heavy rain (total 58mm) on Wed night. Freeze-thaw conditions (max 5°C on Wed night, min -7°C on Mon morning). Winds increasing (light winds from the W on Tue afternoon, severe gales from the SSE by Wed afternoon). | |||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  |  | | | | |  | | | | |
cloudy | cloudy | some clouds | light snow | light snow | light snow | snow shwrs | snow shwrs | snow shwrs | some clouds | cloudy | snow shwrs | some clouds | some clouds | cloudy | light snow | light snow | light snow | |
Cloud base (m) | 550 | 500 | 350 | 250 | 200 | 250 | 250 | 250 | 250 | 300 | 350 | 250 | 450 | 500 | 400 | 200 | 200 | 150 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | 5 | 2 | 3 | 2 | 3 | 2 | — | — | 2 | — | — | — | 1 | 4 | 1 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 42 |
max °C | -3 | -3 | -3 | -4 | -5 | -7 | -9 | -9 | -7 | -7 | -6 | -5 | -4 | -4 | 0 | 1 | 3 | 5 |
min °C | -3 | -3 | -4 | -5 | -6 | -9 | -10 | -9 | -8 | -7 | -6 | -6 | -5 | -4 | -3 | 1 | 1 | 0 |
chill °C | -7 | -6 | -13 | -15 | -16 | -19 | -22 | -20 | -19 | -17 | -16 | -16 | -13 | -11 | -9 | -5 | -8 | -8 |
Freezing level m | 1400 | 1450 | 1350 | 1300 | 1000 | 600 | 550 | 650 | 700 | 700 | 950 | 1000 | 1100 | 1100 | 1550 | 2050 | 2200 | 2900 |
 | 8:32 | — | — | 8:33 | — | — | 8:34 | — | — | 8:37 | — | — | 8:38 | — | — | 8:41 | — | — |
 | — | 9:02 | — | — | 9:00 | — | — | 8:58 | — | — | 8:55 | — | — | 8:52 | — | — | 8:51 | — |
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Roundtop Weather (Days 0-3):
The weather forecast for Roundtop is: A moderate fall of snow, heaviest on Sat morning. Temperatures will be below freezing (max -3°C on Fri morning, min -10°C on Sun morning). Winds increasing (calm on Fri morning, near gales from the NW by Sat afternoon).
Roundtop Weather (Days 3-6):
A light covering of new snow mostly falling on Wed afternoon will be washed away by heavy rain (total 58mm) on Wed night. Freeze-thaw conditions (max 5°C on Wed night, min -7°C on Mon morning). Winds increasing (light winds from the W on Tue afternoon, severe gales from the SSE by Wed 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 |
|---|---|---|---|---|---|
 | |||||
SHIP9616 | |||||
Cold Bay Airport |  | ||||
BUOY-KCXA2 | |||||
BUOY-KGCA2 | |||||
SHIP3085 | |||||
SHIP5073 | |||||
SHIP9261 | |||||
SHIP5743 | |||||
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.