Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 11°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Wednesday
1st Apr
11

1

2

2
Thursday
2nd Apr
3

-5

4

4
Friday
3rd Apr
10

-6

11

6
Saturday
4th Apr
13

-4

12

7
Sunday
5th Apr
16

-2

12

6

5-day weather forecast updated at 04:01 on Wednesday 1st April 2026 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 1st April 2026

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 11°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 95% chance of some sleet or snow and a gentle breeze of 15 kph from the south.

11
°C maximum temperature
1
°C minimum temperature
cloudy with sleet or snow
2
hours of sunshine
2
UV index (Low)
95
% chance of some sleet or snow
<20
mm of sleet/snow expected
11
°C wind chill
15
kph wind from S

Sun Valley weather for Thursday 2nd April 2026

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 3°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 51% chance of some sleet or snow and a moderate breeze of 20 kph from the west.

3
°C maximum temperature
-5
°C minimum temperature
cloudy with sleet or snow
4
hours of sunshine
4
UV index (Moderate)
51
% chance of some sleet or snow
<10
mm of sleet/snow expected
-1
°C wind chill
20
kph wind from W

Sun Valley weather for Friday 3rd April 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 10°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.

10
°C maximum temperature
-6
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
8
°C wind chill
10
kph wind from NW

Sun Valley weather for Saturday 4th April 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 13°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

13
°C maximum temperature
-4
°C minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
13
°C wind chill
7
kph wind from N

Sun Valley weather for Sunday 5th April 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 16°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.