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.
| 20 December 2025 Saturday 5.6 ° C / 42.1°F ![]() Sunny |
Feels Like : 1.1 ° C / 33.9°F Humidity : % 37 Pressure : 1014 mb Wind Speed : 27.4 kmph / 17 miles from NNW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday | Sunny |
-1.6 ° C (29.1°F) |
6.6 ° C (43.9°F) |
1.7 ° C (35°F) |
% 65 | 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 | Partly Cloudy |
-5.1 ° C (22.8°F) |
0.7 ° C (33.3°F) |
-1.8 ° C (28.8°F) |
% 71 | 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 | Overcast |
-1.9 ° C (28.6°F) |
2 ° C (35.6°F) |
0.7 ° C (33.2°F) |
% 77 | 0% | 0.3 | Sunrise:07:38 AM Sunset: 04:52 PM |
Moonrise:09:51 AM Moonset: 07:18 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
3.7 ° C (38.7°F) |
10.3 ° C (50.5°F) |
6.1 ° C (43°F) |
% 81 | 0% | 0.3 | 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 |
3.2 ° C (37.8°F) |
12.6 ° C (54.6°F) |
5.8 ° C (42.4°F) |
% 89 | 0% | 0 | 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 |
10 ° C (50°F) |
20 ° C (68°F) |
14.8 ° C (58.7°F) |
% 70 | 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 |
6.6 ° C (43.8°F) |
15.8 ° C (60.4°F) |
10.3 ° C (50.6°F) |
% 60 | 0% | 4 | Sunrise:07:39 AM Sunset: 04:54 PM |
Moonrise:11:32 AM Moonset: 11:47 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
8 ° C (46.3°F) |
12.6 ° C (54.7°F) |
9.6 ° C (49.2°F) |
% 61 | 0% | 3 | 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 |
5.3 ° C (41.6°F) |
6.6 ° C (44°F) |
6.6 ° C (43.8°F) |
% 69 | 86% | 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 | Sunny |
-0.1 ° C (31.8°F) |
5.8 ° C (42.4°F) |
2.4 ° C (36.4°F) |
% 71 | 0% | 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 |
-2.2 ° C (28.1°F) |
5.5 ° C (41.9°F) |
0.7 ° C (33.3°F) |
% 69 | 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 | Sunny |
-0.9 ° C (30.3°F) |
7.9 ° C (46.3°F) |
2.8 ° C (37°F) |
% 69 | 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 | Sunny |
3.3 ° C (38°F) |
11.1 ° C (52°F) |
6.2 ° C (43.1°F) |
% 69 | 0% | 3 | Sunrise:07:40 AM Sunset: 04:59 PM |
Moonrise:02:55 PM Moonset: 06:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
4.6 ° C (40.2°F) |
13.8 ° C (56.9°F) |
9 ° C (48.2°F) |
% 81 | 0% | 3 | Sunrise:07:41 AM Sunset: 05:00 PM |
Moonrise:04:03 PM Moonset: 07:17 AM Moon Phase ( Waxing Gibbous ) |
|