– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Sat 07 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 07 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 Sat afternoon, min -18°C on Mon night). Winds decreasing (stormy winds from the W on Sun night, strong winds from the WNW by Tue morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Thu afternoon. Temperatures will be below freezing (max -2°C on Wed afternoon, min -12°C on Tue afternoon). Winds increasing (near gales from the WNW on Tue afternoon, extremely windy from the W by Wed night).
	Sat 7		Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	snow shwrs	some clouds	some clouds	some clouds	clear	clear	clear	light snow	mod. snow	heavy snow
km/h	NW	WNW	W	W	W	W	W	WNW	WNW	WNW	WNW	W	W	W	W	W	W
See all weather maps
cm	—	—	—	—	—	—	—	3	—	—	—	—	—	—	4	10	15
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	4	-1	-3	-2	-9	-11	-15	-14	-9	-4	-3	-2	-3	-5	-5	-5
min °C	3	0	-2	-3	-6	-10	-13	-18	-15	-12	-7	-4	-3	-3	-5	-6	-5
chill °C	-4	-10	-12	-14	-19	-24	-28	-33	-29	-25	-19	-16	-15	-16	-19	-20	-18

Freezing level m	3650	3550	3000	2550	1950	1050	1100	550	850	1150	850	2350	2650	2050	2100	2050	1350
Cloud base (m)	1800	1750	1800	1950	1800	1800	1900	1800	1850	2250	1900	2300	3900	1800	1800	1800	1800

	—	—	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 afternoon, min -18°C on Mon night). Winds decreasing (stormy winds from the W on Sun night, strong winds from the WNW by Tue morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu afternoon. Temperatures will be below freezing (max -2°C on Wed afternoon, min -12°C on Tue afternoon). Winds increasing (near gales from the WNW on Tue afternoon, 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	13° C	Dry	Calm (2 kph at 315).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	16° C	Dry	Calm (5 kph at 45).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	17° C	Clear	Light winds from the NNE (13 kph at 20).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 328).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	13° C	Dry	Calm (5 kph at 26).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	15° C	Dry	Calm (0 kph at —).
Bend 40 km E 1102m alt. 1 hour ago	14° C	Dry	Calm (5 kph at 219).

* 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.