Current weather conditions and 15 day weather forecast for Crystal Lake, South Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 11 May 2026 Monday 16.1 ° C / 61°F ![]() Sunny |
Feels Like : 15.4 ° C / 59.8°F Humidity : % 28 Pressure : 1019 mb Wind Speed : 24.8 kmph / 15.4 miles from SSE ![]() Visibility : 10 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 May 2026 Monday | Sunny |
7.2 ° C (45°F) |
32.4 ° C (90.3°F) |
19.1 ° C (66.4°F) |
% 30 | 0% | 7.3 | Sunrise:06:14 AM Sunset: 08:48 PM |
Moonrise:03:29 AM Moonset: 02:55 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Sunny |
14.1 ° C (57.4°F) |
23.5 ° C (74.2°F) |
19.1 ° C (66.4°F) |
% 36 | 0% | 7.2 | Sunrise:06:13 AM Sunset: 08:49 PM |
Moonrise:03:49 AM Moonset: 04:06 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
9.8 ° C (49.6°F) |
25.1 ° C (77.2°F) |
17.7 ° C (63.8°F) |
% 39 | 0% | 7.7 | Sunrise:06:12 AM Sunset: 08:50 PM |
Moonrise:04:09 AM Moonset: 05:21 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
15.3 ° C (59.5°F) |
27.6 ° C (81.6°F) |
20.5 ° C (68.8°F) |
% 51 | 79% | 7.3 | Sunrise:06:11 AM Sunset: 08:51 PM |
Moonrise:04:32 AM Moonset: 06:39 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
12.6 ° C (54.7°F) |
25.1 ° C (77.1°F) |
19 ° C (66.2°F) |
% 44 | 0% | 0.1 | Sunrise:06:10 AM Sunset: 08:53 PM |
Moonrise:04:58 AM Moonset: 08:02 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
12.5 ° C (54.6°F) |
29.1 ° C (84.4°F) |
19.9 ° C (67.7°F) |
% 33 | 0% | 5 | Sunrise:06:09 AM Sunset: 08:54 PM |
Moonrise:05:32 AM Moonset: 09:26 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
13.4 ° C (56.1°F) |
21.2 ° C (70.2°F) |
17.5 ° C (63.5°F) |
% 50 | 0% | 5 | Sunrise:06:08 AM Sunset: 08:55 PM |
Moonrise:06:15 AM Moonset: 10:46 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
9.9 ° C (49.8°F) |
20.1 ° C (68.2°F) |
15.1 ° C (59.2°F) |
% 59 | 78% | 4 | Sunrise:06:07 AM Sunset: 08:56 PM |
Moonrise:07:11 AM Moonset: 11:55 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
9.4 ° C (48.9°F) |
26.7 ° C (80.1°F) |
18.3 ° C (64.9°F) |
% 53 | 0% | 5 | Sunrise:06:06 AM Sunset: 08:57 PM |
Moonrise:08:20 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
16.1 ° C (61.1°F) |
27.8 ° C (82°F) |
21.1 ° C (69.9°F) |
% 75 | 73% | 5 | Sunrise:06:05 AM Sunset: 08:58 PM |
Moonrise:09:39 AM Moonset: 12:49 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
17.7 ° C (63.9°F) |
29.9 ° C (85.9°F) |
23.2 ° C (73.7°F) |
% 65 | 85% | 5 | Sunrise:06:04 AM Sunset: 08:59 PM |
Moonrise:10:58 AM Moonset: 01:30 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Overcast |
13 ° C (55.5°F) |
17.8 ° C (64°F) |
16 ° C (60.8°F) |
% 90 | 0% | 4 | Sunrise:06:03 AM Sunset: 09:00 PM |
Moonrise:12:15 PM Moonset: 02:01 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
10.7 ° C (51.2°F) |
14.3 ° C (57.7°F) |
13.1 ° C (55.6°F) |
% 87 | 89% | 3 | Sunrise:06:03 AM Sunset: 09:01 PM |
Moonrise:01:28 PM Moonset: 02:25 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
10.6 ° C (51°F) |
15.6 ° C (60.1°F) |
13.9 ° C (57°F) |
% 85 | 87% | 3 | Sunrise:06:02 AM Sunset: 09:02 PM |
Moonrise:02:36 PM Moonset: 02:46 AM Moon Phase ( Waxing Gibbous ) |
|