– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Thu 05 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 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 moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 2°C on Thu afternoon, min -5°C on Sat night). Winds increasing (light winds from the SSW on Thu afternoon, gales from the WSW by Sat afternoon).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be well below freezing (max -7°C on Sun afternoon, min -12°C on Sun night). Winds decreasing (gales from the W on Sun night, calm by Wed morning).
	Thu 5		Friday 6			Saturday 7			Sunday 8			Monday 9			Tuesday 10
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	some clouds	cloudy	cloudy	light snow	mod. snow	heavy snow	snow shwrs	clear	clear	some clouds	cloudy	cloudy	some clouds
km/h	SSW	SW	WSW	WSW	SW	SW	WSW	WSW	WSW	WSW	W	WNW	NW	SW	SSE	S	WSW
See all weather maps
cm	—	—	—	—	—	—	—	2	9	14	5	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	2	-1	-2	-3	-4	-3	-3	-5	-7	-10	-11	-10	-9	-9	-10	-10
min °C	2	-1	-2	-3	-4	-4	-3	-5	-5	-9	-12	-11	-11	-9	-9	-10	-11
chill °C	-3	-6	-8	-10	-13	-14	-13	-16	-15	-22	-26	-22	-17	-13	-17	-16	-15

Freezing level m	3400	3350	3000	2850	2500	2650	2600	2350	2300	1900	1200	1400	1600	1000	1700	1850	1250
Cloud base (m)	7250	6300	6100	6700	8800	5800	2500	1800	1800	1800	1800	1800	1800	1800	5950	5750	2300

	—	—	7:18	—	—	7:16	—	—	7:15	—	—	7:13	—	—	7:13	—	—
	5:22	—	—	5:23	—	—	5:24	—	—	5:27	—	—	5:28	—	—	5:29	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 2°C on Thu afternoon, min -5°C on Sat night). Winds increasing (light winds from the SSW on Thu afternoon, gales from the WSW by Sat afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be well below freezing (max -7°C on Sun afternoon, min -12°C on Sun night). Winds decreasing (gales from the W on Sun night, calm by Wed morning).

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	-1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 39 minutes ago		Dry
Bend 34 km E 1164.6m alt. 37 minutes ago	0° C	-	Calm (0 kph at 103).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-1° C	Clear	Wind obs. (6 kph from 350 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	-2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	1° C	-	Calm (0 kph at 333).
Bend wx 39 km E 1118m alt. 2 hours ago	0° C	-	Calm (2 kph at 331).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	0° C	-	Calm (0 kph at 349).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	-2° C	-	Calm (0 kph at —).

* 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.