Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 7°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Monday
13th Apr
7

-2

2

4
Tuesday
14th Apr
10

-3

8

6
Wednesday
15th Apr
6

0

1

3
Thursday
16th Apr
2

-5

1

5
Friday
17th Apr
6

-7

13

6

5-day weather forecast updated at 04:01 on Monday 13th 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 Monday 13th April 2026

Expect mostly cloudy with light rain in Sun Valley, Idaho with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a light breeze of 12 kph from the south.

7
°C maximum temperature
-2
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
77
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
12
kph wind from S

Sun Valley weather for Tuesday 14th April 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 10°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

10
°C maximum temperature
-3
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from W

Sun Valley weather for Wednesday 15th April 2026

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of sleet/snow expected with 99% chance of some sleet or snow and a gentle breeze of 13 kph from the south.

6
°C maximum temperature
0
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
3
UV index (Moderate)
99
% chance of some sleet or snow
<20
mm of sleet/snow expected
4
°C wind chill
13
kph wind from S

Sun Valley weather for Thursday 16th April 2026

Expect mostly cloudy with light snow in Sun Valley, Idaho with a maximum temperature of 2°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 58% chance of some snow and a gentle breeze of 18 kph from the west.

2
°C maximum temperature
-5
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
5
UV index (Moderate)
58
% chance of some snow
<5
cm of snow expected
-2
°C wind chill
18
kph wind from W

Sun Valley weather for Friday 17th April 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 6°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.