– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Wed 28 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Wed 28 Jan 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. Temperatures will be below freezing (max -2°C on Thu night, min -10°C on Wed morning). Winds decreasing (gales from the WSW on Wed night, moderate winds from the SW by Fri night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sun afternoon. Temperatures will be below freezing (max -1°C on Sat morning, min -10°C on Sun afternoon). Winds decreasing (severe gales from the WNW on Mon afternoon, moderate winds from the N by Mon night).
	Wednesday 28			Thursday 29			Friday 30			Saturday 31			Sunday 1			Monday 2
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	light snow	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	cloudy	cloudy	some clouds	light snow	mod. snow	some clouds	light snow	cloudy	clear
km/h	W	WNW	W	WNW	W	WSW	WSW	W	SW	SW	SW	SW	WSW	W	W	SW	WNW	NW
See all weather maps
cm	—	1	2	—	—	—	—	—	—	—	—	—	2	7	—	1	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-8	-5	-5	-3	-2	-4	-3	-2	-1	-2	-2	-8	-10	-8	-6	-7	-3
min °C	-10	-9	-8	-5	-4	-5	-4	-3	-3	-1	-2	-6	-8	-10	-9	-9	-7	-7
chill °C	-21	-20	-18	-15	-12	-16	-15	-12	-10	-9	-11	-17	-20	-22	-20	-20	-20	-18

Freezing level m	1700	1750	1700	2150	2450	2550	2550	2500	2600	2950	2850	2450	1900	1650	1350	1800	1800	1500
Cloud base (m)	1950	1800	1800	1900	2400	2850	4250	2250	2050	4850	6650	5350	1900	1800	1800	2900	1900	1800

	7:28	—	—	7:26	—	—	7:26	—	—	7:24	—	—	7:24	—	—	7:22	—	—
	—	5:10	—	—	5:13	—	—	5:14	—	—	5:15	—	—	5:16	—	—	5:17	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max -2°C on Thu night, min -10°C on Wed morning). Winds decreasing (gales from the WSW on Wed night, moderate winds from the SW by Fri night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun afternoon. Temperatures will be below freezing (max -1°C on Sat morning, min -10°C on Sun afternoon). Winds decreasing (severe gales from the WNW on Mon afternoon, moderate winds from the N by Mon 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	7° C	Dry	Calm (0 kph at 287).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Calm (5 kph at 216).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7° C	Dry and partly cloudy.	Moderate winds from the S (24 kph at 180).	16 km Low: scattered Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	7° C	Dry	Calm (3 kph at 230).
Bend 37 km ESE 1158m alt. 1 hour ago	7° C	Dry	Calm (2 kph at 148).
Bend wx 39 km E 1118m alt. 3 hours ago	6° C	Dry	Light winds from the SSW (8 kph at 207).
Camp Sherman 39 km NNE 920.5m alt. 54 minutes ago	8° C	Dry	Calm (3 kph at 218).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	6° C	Dry	Calm (2 kph at 227).

* 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.