– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Tue 11 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 11 Jun 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 7°C on Wed night, min -1°C on Fri morning). Winds decreasing (gales from the W on Tue night, light winds from the WSW by Wed afternoon).										Days 5–7 Weather Summary Mostly dry. Temperatures will be below freezing (max -1°C on Fri night, min -9°C on Sun night). Winds decreasing (severe gales from the W on Fri night, light winds from the W by Sun morning).
		Wednesday 12			Thursday 13			Friday 14			Saturday 15			Sunday 16			Monday 17
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	clear	some clouds	some clouds	clear	some clouds	clear	clear	clear	clear
km/h	W	W	SW	WSW	SW	SW	WSW	WSW	WSW	WSW	W	W	W	W	WNW	NNW	N	N	NW
Wave Height Map See all maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	6	5	6	7	6	6	4	0	0	-1	-6	-7	-4	-6	-7	-7	-4	-1	2
min°C	5	5	5	6	5	5	1	-1	-1	-7	-7	-7	-5	-7	-8	-9	-6	-2	0
chill°C	-2	-1	1	1	0	0	-7	-8	-8	-20	-18	-17	-14	-13	-16	-17	-16	-8	-5

Freezing level (m)	4150	3900	4100	4150	3950	4000	3400	3000	2950	2100	2200	2400	1850	2300	2300	1600	2400	3050	3400
Cloud base (m)				9500			8750		6400	2000	1850	2600	1950	4200	2850	1800	1800		7250

	—	5:22	—	—	5:22	—	—	5:22	—	—	5:22	—	—	5:22	—	—	5:22	—	—
	—	—	—	8:51	—	—	8:51	—	—	8:52	—	—	8:52	—	—	8:52	—	—	8:52

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 7°C on Wed night, min -1°C on Fri morning). Winds decreasing (gales from the W on Tue night, light winds from the WSW by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Temperatures will be below freezing (max -1°C on Fri night, min -9°C on Sun night). Winds decreasing (severe gales from the W on Fri night, light winds from the W by Sun morning).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Sunriver wx 23 km SE 1684m alt. 3 hours ago	1° C	-	Calm (0 kph at 152).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 262).
Sisters 32 km NE 964m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 226).
Bend 34 km E 1147m alt. 2 hours ago	5° C	Dry	Calm (3 kph at 36).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry

* 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.