– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Fri 20 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Fri 20 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -3°C on Sun morning, min -8°C on Fri morning). Winds increasing (light winds from the W on Fri morning, gales from the SW by Sun night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -1°C on Mon morning, min -10°C on Tue night). Winds decreasing (gales from the WSW on Mon night, moderate winds from the WSW by Wed night).
	Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	mod. snow	light snow	light snow	some clouds	some clouds	light snow	light snow	cloudy	cloudy	light snow	light snow	light snow	snow shwrs	clear	some clouds	clear
km/h	W	SW	SW	SSW	S	SSW	SSW	SW	SW	WSW	SW	WSW	WSW	WSW	W	W	W	WSW
See all weather maps
cm	—	—	8	1	1	—	—	3	3	—	—	5	1	2	6	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-7	-8	-6	-4	-4	-4	-3	-3	-3	-1	-1	-1	-4	-4	-6	-8	-6	-5
min °C	-8	-8	-8	-5	-5	-5	-4	-3	-3	-2	-1	-4	-4	-5	-10	-9	-8	-7
chill °C	-15	-16	-17	-13	-14	-15	-14	-13	-13	-12	-9	-14	-13	-13	-21	-19	-17	-17

Freezing level m	750	1200	950	1250	1750	1000	1800	2000	1950	2200	2400	2300	1800	1850	1300	1200	1500	700
Cloud base (m)	1800	1800	2650	1850	2250	2150	2100	1850	1800	1950	1950	1800	1800	1800	1800		1950	1800

	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:52	—	—	6:50	—	—
	—	5:43	—	—	5:44	—	—	5:45	—	—	5:46	—	—	5:49	—	—	5:50	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -3°C on Sun morning, min -8°C on Fri morning). Winds increasing (light winds from the W on Fri morning, gales from the SW by Sun night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -1°C on Mon morning, min -10°C on Tue night). Winds decreasing (gales from the WSW on Mon night, moderate winds from the WSW by Wed 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. 47 minutes ago	3° C	Dry	Calm (0 kph at 54).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	4° C	Dry	Wind obs. (6 kph from 111 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-2° C	Clear	Moderate winds from the S (26 kph at 170).	16 km
Bend 37 km SSE 1297m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 121).
Bend 37 km ESE 1158m alt. 45 minutes ago	4° C	Dry	Calm (0 kph at 225).
Bend wx 39 km E 1118m alt. 2 hours ago	2° C	-	Light winds from the SSW (10 kph at 210).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	5° C	Dry	Calm (5 kph at 341).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	1° C	-	Calm (5 kph at 180).
Bend 40 km E 1102m alt. 38 minutes ago		-	Light winds from the WSW (19 kph at 253).

* 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.