– Lat/Long: 48.46° N 121.09° W
Johannesburg Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
3 Johannesburg Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 6°C on Thu afternoon, min -6°C on Fri night). Winds decreasing (fresh winds from the W on Fri night, calm by Sat night). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 2°C on Sun afternoon, min -6°C on Tue night). Winds increasing (light winds from the W on Sun afternoon, near gales from the SW by Tue morning). | ||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | | | | |  | | |  | |
cloudy | light snow | light snow | mod. snow | mod. snow | some clouds | clear | some clouds | clear | clear | some clouds | some clouds | some clouds | cloudy | light snow | mod. snow | snow shwrs | |
Cloud base (m) | 2750 | 1600 | 1600 | 1600 | 1600 | 1600 | 1700 | 6650 | 6600 | 5400 | 6700 | 2800 | 1600 | 1600 | 1600 | 1650 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 4 | 4 | 6 | 9 | — | — | — | — | — | — | — | — | — | 5 | 9 | 3 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 6 | 5 | 0 | -1 | -5 | -3 | -1 | -2 | 1 | 2 | 0 | 1 | 1 | 1 | 1 | 1 | -4 |
min °C | 5 | 1 | -1 | -2 | -6 | -5 | -2 | -2 | -1 | 1 | -1 | 0 | 0 | 1 | 1 | -1 | -6 |
chill °C | 0 | -4 | -7 | -8 | -14 | -10 | -5 | -2 | -3 | -2 | -4 | -3 | -5 | -5 | -7 | -8 | -15 |
Freezing level m | 3300 | 2700 | 2350 | 2200 | 1500 | 1800 | 2350 | 2000 | 2600 | 2700 | 2400 | 2600 | 2550 | 3000 | 2600 | 2350 | 1650 |
 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — |
 | 6:58 | — | — | 6:55 | — | — | 6:53 | — | — | 6:52 | — | — | 6:50 | — | — | 6:47 | — |
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Johannesburg Mountain Weather (Days 0-3):
The weather forecast for Johannesburg Mountain is: A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 6°C on Thu afternoon, min -6°C on Fri night). Winds decreasing (fresh winds from the W on Fri night, calm by Sat night).
Johannesburg Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 2°C on Sun afternoon, min -6°C on Tue night). Winds increasing (light winds from the W on Sun afternoon, near gales from the SW by Tue morning).
This table gives the weather forecast for Johannesburg Mountain at the specific elevation of 2499 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Johannesburg Mountain. 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 Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Winthrop Airport (Washington) |  | ||||
 | |||||
 | |||||
Agassiz Airport | | ||||
BUOY-PBFW1 | |||||
SHIP7960 | |||||
SHIP3556 |
* 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.
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