– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sat 24 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sat 24 Jan Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Temperatures will be below freezing (max -4°C on Mon night, min -8°C on Mon morning). Winds increasing (moderate winds from the SW on Mon night, near gales from the SSW by Tue afternoon).										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -1°C on Thu night, min -8°C on Tue night). Winds decreasing (gales from the WSW on Tue night, fresh winds from the W by Thu night).
		Sunday 25			Monday 26			Tuesday 27			Wednesday 28			Thursday 29			Friday 30
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	cloudy	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	snow shwrs	some clouds	some clouds	some clouds	cloudy	cloudy	cloudy	some clouds	cloudy	light snow
km/h	NW	WNW	WNW	WSW	WSW	W	SW	SW	SW	WSW	WSW	SW	SW	W	W	WSW	WSW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	3	—	—	—	—	—	—	—	—	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-5	-5	-5	-8	-7	-4	-4	-6	-7	-6	-5	-5	-5	-4	-1	-2	-3	-4
min °C	-6	-6	-5	-7	-8	-8	-6	-4	-7	-8	-6	-6	-6	-5	-5	-2	-4	-3	-6
chill °C	-14	-15	-14	-17	-19	-18	-14	-13	-18	-20	-15	-15	-17	-14	-14	-9	-14	-13	-18

Freezing level m	1350	2200	2200	1850	2000	2050	1650	2300	2150	1700	2100	2250	1950	2150	2250	2600	2800	2550	2400
Cloud base (m)	5700	5250	6700	4900	3450	2550	5750	6200		1800	1950	6650	6200	2400	1850	5150	4900	2800	2000

	—	7:31	—	—	7:30	—	—	7:28	—	—	7:28	—	—	7:26	—	—	7:26	—	—
	—	—	5:07	—	—	5:08	—	—	5:09	—	—	5:10	—	—	5:13	—	—	5:14	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Temperatures will be below freezing (max -4°C on Mon night, min -8°C on Mon morning). Winds increasing (moderate winds from the SW on Mon night, near gales from the SSW by Tue afternoon).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -1°C on Thu night, min -8°C on Tue night). Winds decreasing (gales from the WSW on Tue night, fresh winds from the W by Thu night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 3157 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Sister Volcano. 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 Oregon.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	-9° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	1° C	-	Wind obs. (10 kph from 179 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-9° C	Clear	Light winds from the SSW (6 kph at 200).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 50 minutes ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	-12° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	-1° C	-	Calm (2 kph at 167).
Camp Sherman 39 km NNE 920.5m alt. 54 minutes ago	-9° C	-	Calm (0 kph at 113).
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	-2° C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 1 hour ago	-10° C	-	Wind obs. (14 kph from 56 degs) was rejected.

* 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.