Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 6°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Wednesday
24th Dec
6

1

0

0
Thursday
25th Dec
6

0

1

1
Friday
26th Dec
3

-7

2

1
Saturday
27th Dec
1

-11

8

1
Sunday
28th Dec
-1

-13

9

1

5-day weather forecast updated at 04:01 on Wednesday 24th December 2025 GMT

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The 5-day weather forecast for Idaho (Sun Valley) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Sun Valley weather forecast by day

Below are the detailed weather forecasts for Sun Valley for the next 5 days.

Sun Valley weather for Wednesday 24th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 6°C and no hours of bright sunshine. There are 20-30 mm of sleet/snow expected with 94% chance of some sleet or snow and a light breeze of 12 kph from the south-east.

6
°C maximum temperature
1
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
0
UV index (None)
94
% chance of some sleet or snow
<30
mm of sleet/snow expected
4
°C wind chill
12
kph wind from SE

Sun Valley weather for Thursday 25th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 6°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of sleet/snow expected with 92% chance of some sleet or snow and a light breeze of 10 kph from the south.

6
°C maximum temperature
0
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
1
UV index (Low)
92
% chance of some sleet or snow
<20
mm of sleet/snow expected
4
°C wind chill
10
kph wind from S

Sun Valley weather for Friday 26th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 3°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 86% chance of some sleet or snow and a gentle breeze of 15 kph from the south-west.

3
°C maximum temperature
-7
°C minimum temperature
cloudy with sleet or snow
2
hours of sunshine
1
UV index (Low)
86
% chance of some sleet or snow
<10
mm of sleet/snow expected
-1
°C wind chill
15
kph wind from SW

Sun Valley weather for Saturday 27th December 2025

Expect clear skies with flurries of snow in Sun Valley, Idaho with a maximum temperature of 1°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0-2 cm of snow expected with 4% chance of some snow and a light breeze of 11 kph from the west.

1
°C maximum temperature
-11
°C minimum temperature
clear skies with flurries of snow
8
hours of sunshine
1
UV index (Low)
4
% chance of some snow
<2
cm of snow expected
-3
°C wind chill
11
kph wind from W

Sun Valley weather for Sunday 28th December 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of -1°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the north.