– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Mon 26 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Mon 26 Jan Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max -3°C on Mon night, min -11°C on Tue night). Winds increasing (moderate winds from the SSW on Mon night, gales from the SW by Tue night).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sat night, min -6°C on Fri afternoon). Winds decreasing (gales from the SW on Fri morning, light winds from the W by Fri night).
		Tuesday 27			Wednesday 28			Thursday 29			Friday 30			Saturday 31			Sunday 1
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	light snow	some clouds	some clouds	light snow	mod. snow	light snow	cloudy	cloudy	cloudy	some clouds	some clouds	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy
km/h	SW	SSW	SSW	WSW	W	W	WSW	W	W	WSW	SW	WSW	W	SSW	S	SSW	SSW	SSW	SSW
See all weather maps
cm	—	—	1	—	—	3	6	5	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-3	-4	-9	-9	-8	-5	-4	-3	-2	-4	-5	0	0	0	1	-1	-2	-3
min °C	-5	-3	-8	-11	-10	-8	-8	-4	-4	-3	-4	-6	-2	-1	0	-1	-1	-3	-7
chill °C	-13	-10	-19	-25	-22	-20	-18	-14	-13	-11	-15	-17	-8	-7	-6	-8	-8	-10	-13

Freezing level m	1750	2400	2350	1600	1700	1800	1700	1950	2150	2550	2500	2250	3100	3050	3150	3250	3050	2800	2150
Cloud base (m)	6050	5650	6750	1850	1800	1850	1800	1800	1800	2650		2950	7000	5700	5050	7050	6500		4200

	—	7:28	—	—	7:28	—	—	7:26	—	—	7:26	—	—	7:24	—	—	7:24	—	—
	—	—	5:09	—	—	5:10	—	—	5:13	—	—	5:14	—	—	5:15	—	—	5:16	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max -3°C on Mon night, min -11°C on Tue night). Winds increasing (moderate winds from the SSW on Mon night, gales from the SW by Tue night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Sat night, min -6°C on Fri afternoon). Winds decreasing (gales from the SW on Fri morning, light winds from the W by Fri 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. 36 minutes ago	-3° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 28 minutes ago		Dry
Bend 34 km E 1164.6m alt. 46 minutes ago	4° C	Dry	Wind obs. (6 kph from 119 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-6° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	3° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 26 minutes ago	-6° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 36 minutes ago	-2° C	-	Calm (0 kph at 268).
Camp Sherman 39 km NNE 920.5m alt. 49 minutes ago	-4° C	-	Calm (0 kph at 218).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	-2° C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 1 hour ago		-	Light winds from the SSW (8 kph at 203).

* 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.