– Lat/Long: 44.10° N 121.77° W

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

Issued: 9 am Thu 05 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 Sat night. Freeze-thaw conditions (max 5°C on Thu morning, min -5°C on Sat night). Winds increasing (light winds from the SSW on Thu afternoon, severe gales from the WSW by Sat night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -5°C on Sun morning, min -12°C on Mon morning). Winds decreasing (gales from the W on Sun afternoon, light winds from the W by Mon night).
	Thursday 5			Friday 6			Saturday 7			Sunday 8			Monday 9			Tuesday 10
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	heavy snow	mod. snow	heavy snow	snow shwrs	clear	clear	some clouds	cloudy	cloudy	some clouds
km/h	SE	SSW	SW	SW	WSW	WSW	SW	WSW	WSW	WSW	WSW	WNW	WNW	WNW	WSW	S	SSE	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	11	7	13	5	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	5	2	2	-1	-2	-4	-4	-3	-4	-5	-5	-10	-12	-11	-9	-8	-9	-9
min °C	3	2	-1	-1	-3	-4	-4	-4	-5	-6	-8	-11	-12	-12	-11	-9	-9	-9
chill °C	-3	-3	-5	-5	-10	-13	-14	-15	-16	-15	-20	-22	-22	-19	-15	-16	-17	-17

Freezing level m	3800	3400	3350	3050	2850	2450	2600	2600	2350	2150	2000	1150	1350	1600	900	1650	1900	1100
Cloud base (m)	7850		6300	6200	6800	8750	5600	2300	1800	1800	1800	1800	1800	1800	1800	6400	5550	1800

	7:18	—	—	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 Sat night. Freeze-thaw conditions (max 5°C on Thu morning, min -5°C on Sat night). Winds increasing (light winds from the SSW on Thu afternoon, severe gales from the WSW by Sat night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -5°C on Sun morning, min -12°C on Mon morning). Winds decreasing (gales from the W on Sun afternoon, light winds from the W 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. 52 minutes ago	2° C	-	Calm (2 kph at 99).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 53).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	10° C	Clear	Calm (0 kph at 0).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 37 minutes ago	12° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	14° C	Dry	Calm (2 kph at 165).
Bend 37 km ESE 1158m alt. 51 minutes ago	9° C	Dry	Calm (3 kph at 323).
Bend wx 39 km E 1118m alt. 3 hours ago	5° C	Dry	Calm (3 kph at 302).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	7° C	Dry	Calm (3 kph at 349).
Deschutes River Woods wx 40 km ESE 1185m alt. 38 minutes ago	11° C	Dry	Calm (2 kph at 35).

* 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.