– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Wed 28 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 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. Freeze-thaw conditions (max 1°C on Fri night, min -5°C on Wed morning). Mainly strong winds.									Days 4–6 Weather Summary A light covering of new snow mostly falling on Sun afternoon. Freeze-thaw conditions (max 3°C on Sat morning, min -6°C on Sun night). Winds decreasing (fresh winds from the SW on Sat night, light winds from the NNW 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	cloudy	cloudy	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	light snow	snow shwrs	some clouds	snow shwrs	clear
km/h	W	WNW	WSW	W	W	WSW	SW	W	SW	SSW	SSW	SSW	SSW	W	WSW	W	W	NNW
See all weather maps
cm	—	1	—	—	—	—	—	—	—	—	—	—	—	3	1	—	1	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-4	-3	-1	0	0	0	0	1	3	2	1	-1	-4	-4	-5	-5	-3
min °C	-5	-5	-5	-2	-1	0	-1	0	1	2	1	-1	-2	-5	-6	-5	-5	-5
chill °C	-13	-13	-14	-10	-7	-6	-9	-7	-3	-3	-5	-8	-9	-13	-12	-11	-10	-11

Freezing level m	1650	1750	1800	2150	2350	2600	2350	2450	2750	2950	2950	2700	2350	1900	1550	1800	1750	1250
Cloud base (m)	1950	1800	1850	2200	2050	5450	3450	2400	2650	4900	6150	6950		2300	1800	1800	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. Freeze-thaw conditions (max 1°C on Fri night, min -5°C on Wed morning). Mainly strong winds.

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sun afternoon. Freeze-thaw conditions (max 3°C on Sat morning, min -6°C on Sun night). Winds decreasing (fresh winds from the SW on Sat night, light winds from the NNW by Mon night).

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. 42 minutes ago		-	Calm (2 kph at 116).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 41 minutes ago	2° C	-	Light winds from the SSE (8 kph at 148).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-2° C	Dry and partly cloudy.	Light winds from the SSW (9 kph at 200).	16 km Low: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	2° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 34 minutes ago	-4° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 41 minutes ago	1° C	-	Calm (0 kph at 213).
Bend wx 39 km E 1118m alt. 3 hours ago	2° C	-	Light winds from the SSW (6 kph at 210).
Camp Sherman 39 km NNE 920.5m alt. 58 minutes ago	-1° C	-	Calm (0 kph at 218).
Deschutes River Woods wx 40 km ESE 1185m alt. 27 minutes ago	-2° C	-	Calm (2 kph at 231).

* 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.