Sun Valley (United States of America) weather

Find a forecast

Forecast days

Today

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -23° Celsius;

Sunrise: 08:10

Sunset: 17:07

Overcast changing to clear by nighttime.

L UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -23° Celsius;
Sun 28 Dec

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -18° Celsius;

Sunrise: 08:10

Sunset: 17:08

Clear.

L UV

No pollution data.

No pollen data.

Sun 28 Dec

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -18° Celsius;
Mon 29 Dec

Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -12° Celsius;

Sunrise: 08:10

Sunset: 17:09

Clear.

L UV

No pollution data.

No pollen data.

Mon 29 Dec

Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -12° Celsius;
Tue 30 Dec

Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: -8° Celsius;

Sunrise: 08:10

Sunset: 17:10

Clear.

L UV

No pollution data.

No pollen data.

Tue 30 Dec

Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: -8° Celsius;
Wed 31 Dec

Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: -6° Celsius;

Sunrise: 08:11

Sunset: 17:11

Clear.

L UV

No pollution data.

No pollen data.

Wed 31 Dec

Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: -6° Celsius;
Thu 1 Jan

Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: -7° Celsius;

Sunrise: 08:11

Sunset: 17:11

Sunny intervals changing to partly cloudy in the afternoon.

L UV

No pollution data.

No pollen data.

Thu 1 Jan

Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: -7° Celsius;
Fri 2 Jan

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -15° Celsius;

Sunrise: 08:11

Sunset: 17:12

Light rain changing to sleet by lunchtime.

L UV

No pollution data.

No pollen data.

Fri 2 Jan

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -15° Celsius;

Overcast changing to clear by nighttime.

Sunrise: 08:10

Sunset: 17:07

L UV

No pollution data.

No pollen data.

7 day forecast for Sun Valley

Today (27 December 2025)

Time	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-3°	-3°	-3°	-4°	-4°	-5°	-4°	-5°	-5°	-6°	-8°	-9°	-10°	-11°	-15°	-17°
Feels like temperature (°C)	-6°	-7°	-8°	-9°	-10°	-10°	-10°	-10°	-10°	-10°	-12°	-12°	-15°	-16°	-20°	-23°
Wind direction and speed (mph)	WSW 6	W 6	W 7	WNW 8	WNW 11	WNW 10	WNW 10	WNW 10	WNW 8	WNW 6	WNW 5	WNW 4	WNW 4	WNW 5	NW 5	NW 5
Wind gust (mph)	18	21	24	30	31	30	29	27	22	17	15	14	15	14	15	15
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	82%	79%	73%	66%	68%	71%	66%	66%	67%	75%	79%	81%	82%	80%	90%	92%
UV	-	1	1	2	1	2	1	1	-	-	-	-	-	-	-	-

Sunday (28 December 2025)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-19°	-20°	-21°	-22°	-22°	-21°	-20°	-19°	-18°	-16°	-12°	-9°	-6°	-4°	-3°	-4°	-7°	-12°	-16°	-19°	-18°	-17°	-17°	-16°
Feels like temperature (°C)	-25°	-27°	-28°	-29°	-29°	-29°	-28°	-27°	-26°	-23°	-18°	-12°	-8°	-6°	-5°	-6°	-10°	-16°	-20°	-23°	-24°	-24°	-23°	-23°
Wind direction and speed (mph)	NW 5	NW 5	NW 5	NNW 6	NNW 6	N 7	N 8	N 8	N 8	N 7	N 6	N 4	N 3	WNW 1	WSW 1	WSW 2	WSW 1	WSW 2	W 1	NW 3	N 4	N 6	N 6	N 7
Wind gust (mph)	13	12	12	12	13	14	15	15	15	15	13	10	8	4	5	7	5	4	5	7	9	10	11	12
Visibility (description)	VG	VG	VG	VG	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	101%	107%	113%	114%	114%	111%	106%	99%	93%	84%	73%	67%	49%	34%	37%	51%	53%	66%	82%	85%	82%	77%	73%	68%
UV	-	-	-	-	-	-	-	-	-	1	1	2	2	2	1	1	-	-	-	-	-	-	-	-

Monday (29 December 2025)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-15°	-14°	-14°	-14°	-13°	-13°	-13°	-12°	-12°	-10°	-6°	-3°	0°	1°	1°	0°	-2°	-7°	-10°	-12°	-13°	-12°	-11°	-11°
Feels like temperature (°C)	-22°	-21°	-21°	-20°	-19°	-19°	-19°	-18°	-18°	-15°	-9°	-4°	-2°	-1°	0°	-1°	-4°	-10°	-13°	-15°	-17°	-17°	-17°	-16°
Wind direction and speed (mph)	N 8	N 8	N 7	N 7	N 7	N 7	N 7	N 6	N 6	N 6	N 3	N 1	SSW 1	SSW 2	SSW 3	SSW 3	SSW 3	SSW 3	SW 1	N 3	N 4	N 5	N 6	N 6
Wind gust (mph)	12	12	12	12	12	12	12	12	11	11	8	4	4	8	8	7	6	4	4	6	8	9	10	10
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	63%	58%	56%	56%	60%	62%	66%	70%	72%	71%	65%	57%	43%	42%	45%	56%	62%	71%	89%	96%	101%	102%	100%	96%
UV	-	-	-	-	-	-	-	-	-	1	1	2	2	2	1	1	-	-	-	-	-	-	-	-

Tuesday (30 December 2025)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-10°	-9°	-9°	-9°	-9°	-9°	-9°	-8°	-8°	-6°	-2°	2°	5°	5°	5°	5°	2°	-2°	-6°	-7°	-7°	-7°	-7°	-7°
Feels like temperature (°C)	-15°	-15°	-14°	-14°	-14°	-14°	-14°	-14°	-13°	-10°	-5°	0°	4°	5°	5°	4°	1°	-4°	-8°	-10°	-11°	-11°	-12°	-11°
Wind direction and speed (mph)	N 7	N 7	N 6	N 6	N 6	N 6	N 6	N 6	N 7	N 6	N 4	N 2	W 1	SSW 1	S 3	S 3	S 3	S 2	N 3	N 5	N 6	N 6	N 6	N 6
Wind gust (mph)	11	11	12	12	12	12	12	12	12	12	9	6	4	6	7	6	5	4	7	8	10	10	11	11
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	91%	85%	80%	77%	75%	73%	71%	70%	70%	68%	60%	58%	45%	45%	49%	55%	63%	71%	84%	84%	88%	87%	85%	81%
UV	-	-	-	-	-	-	-	-	-	1	1	2	2	2	1	1	-	-	-	-	-	-	-	-

Wednesday (31 December 2025)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-7°	-7°	-7°	-7°	-7°	-7°	-6°	-6°	-6°	-4°	0°	4°	6°	7°	6°	5°	3°	-1°	-4°	-5°
Feels like temperature (°C)	-11°	-11°	-11°	-11°	-11°	-11°	-11°	-11°	-11°	-8°	-3°	2°	5°	6°	6°	5°	2°	-2°	-8°	-9°
Wind direction and speed (mph)	N 6	N 6	N 6	N 6	N 7	N 7	N 7	N 7	N 7	N 6	N 5	N 3	NNW 1	S 1	S 2	S 2	NE 2	NNE 3	N 6	N 7
Wind gust (mph)	11	11	12	12	12	12	12	12	12	12	10	7	6	6	6	5	5	10	11	12
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	74%	72%	71%	68%	66%	65%	65%	64%	64%	63%	56%	55%	54%	56%	59%	78%	83%	85%	76%	62%
UV	-	-	-	-	-	-	-	-	-	1	1	2	2	2	1	1	-	-	-	-

Thursday (1 January 2026)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	10%	10%	10%	10%	20%	20%
Temperature (°C)	-5°	-4°	-5°	4°	6°	0°	-4°	-3°
Feels like temperature (°C)	-9°	-9°	-9°	3°	5°	-1°	-6°	-6°
Wind direction and speed (mph)	N 6	N 6	N 6	NNE 2	S 2	SSE 2	NNE 3	NNE 4
Wind gust (mph)	11	11	10	8	8	6	8	8
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	59%	58%	59%	58%	51%	78%	88%	87%
UV	-	-	-	2	1	-	-	-

Friday (2 January 2026)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	40%	70%	80%	70%	60%	50%	60%	40%
Temperature (°C)	-3°	-1°	-1°	2°	2°	0°	-1°	-3°
Feels like temperature (°C)	-6°	-3°	-3°	1°	0°	-2°	-2°	-4°
Wind direction and speed (mph)	NNE 4	NNE 3	NNE 3	SE 2	S 3	SW 3	WNW 3	WNW 3
Wind gust (mph)	8	8	10	8	13	12	11	12
Visibility (description)	VG	M	P	P	M	G	M	M
Humidity	90%	99%	100%	96%	97%	92%	98%	100%
UV	-	-	-	1	1	-	-	-

UK video forecast

weather map

Forecast

Forecast for 8am (UTC-7) Saturday

Updated 12:18 (UTC) on Sat 27 Dec 2025

Loading map...

Sun Valley (United States of America) weather

Find a forecast

Forecast days

Today

Today

Sun 28 Dec

Sun 28 Dec

Mon 29 Dec

Mon 29 Dec

Tue 30 Dec

Tue 30 Dec

Wed 31 Dec

Wed 31 Dec

Thu 1 Jan

Thu 1 Jan

Fri 2 Jan

Fri 2 Jan

7 day forecast for Sun Valley

Tooltip header

UK video forecast

Nearest forecasts

More from the Met Office

Causes of climate change

Freezing rain

Floods and flooding

What is the difference between rain and showers?

Cloud names and classifications

4 tips for staying safe in ice