– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Thu 05 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 05 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 2°C on Thu night, min -9°C on Sun afternoon). Winds increasing (light winds from the WSW on Fri morning, stormy winds from the SW by Sun morning).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Sun night. Temperatures will be well below freezing (max -7°C on Mon night, min -13°C on Sun night). Winds decreasing (gales from the W on Sun night, calm by Tue afternoon).
		Friday 6			Saturday 7			Sunday 8			Monday 9			Tuesday 10			Wednesday 11
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	cloudy	light snow	heavy snow	light snow	heavy snow	mod. snow	snow shwrs	cloudy	cloudy	cloudy	cloudy	some clouds	clear	clear	clear
km/h	SSW	WSW	WSW	SW	WSW	W	WSW	SW	WSW	W	WNW	W	SSE	SSE	SSW	N	NW	WNW	W
See all weather maps
cm	—	—	—	—	—	1	11	5	18	8	1	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	-1	-2	-4	-4	-4	-4	-3	-5	-10	-12	-9	-7	-8	-10	-10	-10	-9	-8
min °C	0	-2	-3	-4	-4	-4	-5	-4	-9	-13	-12	-10	-8	-8	-11	-11	-10	-9	-8
chill °C	-6	-8	-10	-12	-14	-15	-15	-15	-22	-26	-24	-16	-14	-16	-16	-16	-18	-16	-13

Freezing level m	3300	3000	2850	2450	2600	2350	2250	2500	2300	1100	1350	1700	1200	1550	1650	1250	1600	1750	1050
Cloud base (m)		6100	6650	9000	3200	2000	1800	1800	1800	1800	1800	1800	1800	4700	3250	2500	1850	1850

	—	7:18	—	—	7:16	—	—	7:15	—	—	7:13	—	—	7:13	—	—	7:11	—	—
	—	—	5:23	—	—	5:24	—	—	5:27	—	—	5:28	—	—	5:29	—	—	5:30	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 2°C on Thu night, min -9°C on Sun afternoon). Winds increasing (light winds from the WSW on Fri morning, stormy winds from the SW by Sun morning).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sun night. Temperatures will be well below freezing (max -7°C on Mon night, min -13°C on Sun night). Winds decreasing (gales from the W on Sun night, calm by Tue afternoon).

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. 2 hours ago	-3° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	1° C	-	Wind obs. (8 kph from 179 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-3° C	Clear	Wind obs. (6 kph from 190 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-5° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	-3° C	-	Calm (0 kph at 335).
Bend wx 39 km E 1118m alt. 1 hour ago	-5° C	-	Calm (0 kph at 158).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-2° C	-	Calm (0 kph at 349).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	-4° C	-	Calm (2 kph at 326).

* 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.