– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Sat 07 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sat 07 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Sat morning, min -16°C on Mon night). Winds increasing (near gales from the NW on Sat afternoon, stormy winds from the W by Sun night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -2°C on Wed afternoon, min -15°C on Tue morning). Winds increasing (near gales from the W on Tue morning, extremely windy from the W by Wed night).
	Saturday 7			Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	snow shwrs	cloudy	some clouds	clear	clear	clear	clear	heavy snow	snow shwrs	clear
km/h	NNW	NW	WNW	W	W	W	W	W	W	WNW	WNW	WNW	W	W	W	W	W	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	2	—	—	—	—	—	—	13	7	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	4	4	-1	-2	-2	-8	-10	-13	-15	-10	-5	-3	-2	-2	-5	-5	-7
min °C	4	4	0	-2	-2	-7	-9	-12	-16	-15	-12	-8	-4	-2	-5	-6	-6	-8
chill °C	-4	-3	-10	-12	-12	-20	-22	-27	-31	-29	-26	-20	-16	-14	-19	-20	-20	-22

Freezing level m	3700	3700	3550	2950	2750	2050	1050	1250	550	850	1100	800	2300	2700	2100	2000	1700	1000
Cloud base (m)	1800	1800	1750	1800	2050	1800	1800	2050	1800	1850	2050	1800	2150	2750	1800	1800	1800	1800

	6:33	—	—	7:31	—	—	6:28	—	—	6:28	—	—	6:26	—	—	6:24	—	—
	—	6:02	—	—	7:04	—	—	6:05	—	—	6:07	—	—	6:07	—	—	6:08	—

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 Sat morning, min -16°C on Mon night). Winds increasing (near gales from the NW on Sat afternoon, stormy winds from the W by Sun night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -2°C on Wed afternoon, min -15°C on Tue morning). Winds increasing (near gales from the W on Tue morning, extremely windy from the W by Wed 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	14° C	Dry	Calm (5 kph at 298).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	15° C	Dry	Calm (5 kph at 188).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	10° C	Clear	Light winds from the SSW (13 kph at 210).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 50 minutes ago	14° C	Dry	Calm (3 kph at 13).
Bend 37 km ESE 1158m alt. 1 hour ago	12° C	Dry	Calm (2 kph at 219).
Bend wx 39 km E 1118m alt. 58 minutes ago	13° C	Dry	Light winds from the SSW (11 kph at 205).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	17° C	Dry	Wind obs. (8 kph from 358 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	12° C	Dry	Calm (5 kph at 260).

* 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.