– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sat 31 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sat 31 Jan Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Tue afternoon, min -9°C on Sun morning). Winds decreasing (severe gales from the WSW on Sun morning, light winds from the W by Mon afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Thu morning, min -2°C on Fri afternoon). Mainly fresh winds.
		Sunday 1			Monday 2			Tuesday 3			Wednesday 4			Thursday 5			Friday 6
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	snow shwrs	some clouds	clear	some clouds	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	some clouds	cloudy	cloudy	some clouds
km/h	SSW	WSW	W	W	WNW	WNW	WSW	W	WSW	SSW	S	SSW	SW	SE	SE	SSW	WSW	WSW	NW
See all weather maps
cm	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-8	-7	-5	-3	-2	1	1	2	3	3	4	5	6	5	3	0	-2	-2
min °C	-8	-9	-8	-6	-4	-2	-2	1	2	2	3	4	4	6	5	0	-1	-2	-3
chill °C	-20	-22	-20	-16	-12	-9	-6	-3	-1	0	0	1	1	2	0	-5	-3	-4	-10

Freezing level m	2600	1850	1950	1350	2450	2750	2950	3350	3500	3600	3700	3750	3850	3950	3900	3400	3100	2900	2650
Cloud base (m)	6250	2550	1850	1850	2300	2550							8350			8750	7050	6600	6150

	—	7:24	—	—	7:22	—	—	7:22	—	—	7:20	—	—	7:18	—	—	7:18	—	—
	—	—	5:16	—	—	5:17	—	—	5:20	—	—	5:21	—	—	5:22	—	—	5:23	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Tue afternoon, min -9°C on Sun morning). Winds decreasing (severe gales from the WSW on Sun morning, light winds from the W by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 6°C on Thu morning, min -2°C on Fri afternoon). Mainly fresh winds.

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. 49 minutes ago	1° C	-	Calm (2 kph at 235).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	10° C	Dry	Light winds from the S (10 kph at 184).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	0° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 45 minutes ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 48 minutes ago	7° C	Dry	Calm (0 kph at 191).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-1° C	-	Calm (0 kph at 1).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	7° C	Dry	Calm (3 kph at 250).
Bend 40 km E 1102m alt. 40 minutes ago		-	Wind obs. (6 kph from 306 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.