Sun Valley Lake Weather Forecast 15 Days, Weather in Sun Valley Lake Today
Current weather conditions and 15 day weather forecast for Sun Valley Lake, Iowa, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Sun Valley Lake
| 19 December 2025 Friday -9.7 ° C / 14.5°F  Clear |
Feels Like : -17.1 ° C / 1.3°F Humidity : % 63 Pressure : 1014 mb Wind Speed : 18 kmph / 11.2 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Sun Valley Lake, IA, USA
Weather Forecast for next 15 Days for Sun Valley Lake including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Sun Valley Lake, Iowa state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday | Sunny |
-10.5 ° C (13.1°F) |
2 ° C (35.6°F) |
-4.8 ° C (23.4°F) |
% 53 | 0% | 0.3 | Sunrise:07:36 AM Sunset: 04:50 PM |
Moonrise:07:39 AM Moonset: 04:14 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Overcast |
-2.7 ° C (27.1°F) |
3.2 ° C (37.8°F) |
-0.5 ° C (31.2°F) |
% 81 | 0% | 0.3 | Sunrise:07:37 AM Sunset: 04:51 PM |
Moonrise:08:30 AM Moonset: 05:10 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-4 ° C (24.8°F) |
4.3 ° C (39.7°F) |
-0.7 ° C (30.8°F) |
% 68 | 0% | 0.3 | Sunrise:07:37 AM Sunset: 04:51 PM |
Moonrise:09:14 AM Moonset: 06:12 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-0.3 ° C (31.5°F) |
8.3 ° C (47°F) |
3.4 ° C (38.2°F) |
% 60 | 0% | 0.2 | Sunrise:07:38 AM Sunset: 04:52 PM |
Moonrise:09:51 AM Moonset: 07:18 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Partly Cloudy |
3.6 ° C (38.4°F) |
12.9 ° C (55.3°F) |
6 ° C (42.8°F) |
% 90 | 0% | 0 | Sunrise:07:38 AM Sunset: 04:52 PM |
Moonrise:10:21 AM Moonset: 08:25 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Fog |
6.2 ° C (43.1°F) |
17.6 ° C (63.7°F) |
10.9 ° C (51.6°F) |
% 91 | 0% | 3 | Sunrise:07:38 AM Sunset: 04:53 PM |
Moonrise:10:47 AM Moonset: 09:32 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
8.5 ° C (47.4°F) |
16.7 ° C (62.1°F) |
11.1 ° C (52.1°F) |
% 84 | 0% | 3 | Sunrise:07:39 AM Sunset: 04:54 PM |
Moonrise:11:10 AM Moonset: 10:39 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
-1.8 ° C (28.8°F) |
2.3 ° C (36.2°F) |
1 ° C (33.8°F) |
% 71 | 0% | 2 | Sunrise:07:39 AM Sunset: 04:54 PM |
Moonrise:11:32 AM Moonset: 11:47 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Light freezing rain |
-2.5 ° C (27.5°F) |
2.9 ° C (37.3°F) |
-0.3 ° C (31.5°F) |
% 80 | 62% | 1 | Sunrise:07:40 AM Sunset: 04:55 PM |
Moonrise:11:54 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Patchy rain nearby |
1.7 ° C (35.1°F) |
12.4 ° C (54.3°F) |
8.4 ° C (47.2°F) |
% 91 | 89% | 2 | Sunrise:07:40 AM Sunset: 04:56 PM |
Moonrise:12:17 PM Moonset: 12:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
1.5 ° C (34.6°F) |
5.8 ° C (42.4°F) |
6 ° C (42.8°F) |
% 70 | 63% | 2 | Sunrise:07:40 AM Sunset: 04:57 PM |
Moonrise:12:44 PM Moonset: 02:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
0.4 ° C (32.7°F) |
9.1 ° C (48.4°F) |
3.6 ° C (38.5°F) |
% 70 | 0% | 2 | Sunrise:07:40 AM Sunset: 04:57 PM |
Moonrise:01:18 PM Moonset: 03:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
-6.6 ° C (20.1°F) |
-3 ° C (26.6°F) |
-4.8 ° C (23.4°F) |
% 60 | 0% | 2 | Sunrise:07:40 AM Sunset: 04:58 PM |
Moonrise:02:00 PM Moonset: 04:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Cloudy |
-9.3 ° C (15.3°F) |
-5.4 ° C (22.2°F) |
-7.8 ° C (18°F) |
% 59 | 0% | 1 | Sunrise:07:40 AM Sunset: 04:59 PM |
Moonrise:02:55 PM Moonset: 06:06 AM Moon Phase ( Waxing Gibbous ) |
|
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