– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Fri 27 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 27 Mar 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 4°C on Fri night, min -8°C on Mon morning). Winds decreasing (gales from the WSW on Sun morning, light winds from the WSW by Mon afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -1°C on Tue afternoon, min -11°C on Wed night). Winds increasing (light winds from the WSW on Tue morning, severe gales from the SW by Wed morning).
		Saturday 28			Sunday 29			Monday 30			Tuesday 31			Wednesday 1			Thursday 2
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	some clouds	clear	some clouds	cloudy	light snow	clear	clear	clear	clear	some clouds	light snow	light snow	heavy snow	heavy snow	heavy snow	snow shwrs	clear
km/h	WSW	WSW	WSW	WSW	WSW	WSW	WSW	NNW	WSW	WSW	WSW	WSW	SW	SW	W	WSW	WNW	NNW	N
See all weather maps
cm	—	—	—	—	—	—	2	—	—	—	—	—	1	4	14	22	11	1	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	1	1	0	-2	-2	-4	-5	-3	-3	-2	-1	-3	-3	-5	-9	-11	-7	-6
min °C	1	0	1	-2	-3	-3	-7	-8	-4	-3	-3	-2	-3	-3	-7	-11	-11	-8	-7
chill °C	-6	-7	-6	-11	-13	-13	-18	-17	-7	-10	-9	-9	-12	-14	-18	-25	-24	-18	-14

Freezing level m	3200	2650	2600	2100	2150	2050	1150	1700	2150	1600	2300	2250	1800	2000	1400	900	1100	1350	850
Cloud base (m)	6300	3350	2950		2300	2050	1800		6650			2850	1900	1800	1800	1800	1850	1850	1800

	—	6:56	—	—	6:54	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—
	—	—	7:28	—	—	7:30	—	—	7:30	—	—	7:31	—	—	7:32	—	—	7:35	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Fri night, min -8°C on Mon morning). Winds decreasing (gales from the WSW on Sun morning, light winds from the WSW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -1°C on Tue afternoon, min -11°C on Wed night). Winds increasing (light winds from the WSW on Tue morning, severe gales from the SW by Wed morning).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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	0° C	-	Calm (0 kph at 254).
Bend 34 km E 1164.6m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 100).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	1° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 293).
Bend 37 km SSE 1297m alt. 1 hour ago	-2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 300).
Deschutes River Woods wx 40 km ESE 1185m alt. 48 minutes ago	-1° C	-	Calm (0 kph at 341).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	7° C	Dry	Light winds from the SW (10 kph at 223).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	-1° C	-	Calm (0 kph at 246).
La Pine 43 km SSE 1298m alt. 50 minutes ago	0° C	-	Calm (0 kph at 17).

* 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.