– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Fri 22 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 22 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Sat afternoon, min -4°C on Mon afternoon). Winds increasing (light winds from the SSW on Fri night, severe gales from the SW by Mon morning).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 3°C on Thu afternoon, min -12°C on Mon night). Winds decreasing (severe gales from the WSW on Mon night, light winds from the WSW by Thu afternoon).
		Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27			Thursday 28
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	some clouds	clear	some clouds	some clouds	snow shwrs	light snow	snow shwrs	some clouds	clear	clear	clear	clear	clear	rain shwrs
km/h	SW	WNW	WSW	W	WSW	SW	SW	SSW	SW	W	WNW	NW	NNW	NNE	NNE	N	NW	WSW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	5	1	2	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1
max °C	3	3	4	4	3	3	4	1	-1	-6	-9	-8	-8	-4	-2	1	2	3	3
min °C	3	3	3	3	2	3	3	0	-4	-12	-10	-9	-8	-7	-4	0	2	2	1
chill °C	0	-2	0	-2	-3	-2	-5	-9	-15	-24	-20	-17	-18	-17	-11	-7	-3	0	-6

Freezing level m	3550	3600	3800	3700	3550	3700	3750	3150	2450	1500	1900	1950	1800	2150	2650	3350	3450	3600	3550
Cloud base (m)	9150		9250		9050			6350	2350	1800	1800	1850	1800	1800	1850	1900		8450	1800

	—	5:33	—	—	5:31	—	—	5:31	—	—	5:30	—	—	5:30	—	—	5:28	—	—
	—	—	—	8:34	—	—	8:35	—	—	8:36	—	—	8:37	—	—	8:37	—	—	8:38

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 4°C on Sat afternoon, min -4°C on Mon afternoon). Winds increasing (light winds from the SSW on Fri night, severe gales from the SW by Mon morning).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 3°C on Thu afternoon, min -12°C on Mon night). Winds decreasing (severe gales from the WSW on Mon night, light winds from the WSW by Thu afternoon).

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	7° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	9° C	Dry	Calm (3 kph at 335).
Bend 34 km E 1164.6m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 111).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	5° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	8° C	Dry	Calm (0 kph at 248).
Bend 37 km SSE 1297m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 297).
Camp Sherman 39 km NNE 920.5m alt. 46 minutes ago	7° C	Dry	Calm (0 kph at 4).
Deschutes River Woods wx 40 km ESE 1185m alt. 49 minutes ago	7° C	Dry	Calm (0 kph at 335).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	13° C	Dry	Calm (2 kph at 310).

* 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.