Current weather conditions and 15 day weather forecast for Walnut Grove, 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.
| 09 August 2026 Sunday 21.3 ° C / 70.3°F ![]() Clear |
Feels Like : 20.3 ° C / 68.5°F Humidity : % 85 Pressure : 1009 mb Wind Speed : 21.2 kmph / 13.2 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
20.3 ° C (68.5°F) |
37.6 ° C (99.7°F) |
27.5 ° C (81.5°F) |
% 63 | 5% | 5.3 | Sunrise:06:32 AM Sunset: 08:46 PM |
Moonrise:02:00 AM Moonset: 06:41 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
19.7 ° C (67.5°F) |
39.3 ° C (102.7°F) |
29.1 ° C (84.3°F) |
% 51 | 57% | 6.2 | Sunrise:06:33 AM Sunset: 08:44 PM |
Moonrise:03:11 AM Moonset: 07:32 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
18.4 ° C (65.1°F) |
36.8 ° C (98.3°F) |
27.3 ° C (81.2°F) |
% 56 | 57% | 5.8 | Sunrise:06:34 AM Sunset: 08:43 PM |
Moonrise:04:32 AM Moonset: 08:11 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
19.5 ° C (67.1°F) |
33.6 ° C (92.4°F) |
26.2 ° C (79.1°F) |
% 58 | 57% | 5.9 | Sunrise:06:35 AM Sunset: 08:41 PM |
Moonrise:05:58 AM Moonset: 08:42 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
17 ° C (62.5°F) |
24.6 ° C (76.3°F) |
19.9 ° C (67.7°F) |
% 74 | 75% | 6 | Sunrise:06:36 AM Sunset: 08:40 PM |
Moonrise:07:22 AM Moonset: 09:08 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
15 ° C (59°F) |
26.5 ° C (79.7°F) |
19.8 ° C (67.6°F) |
% 69 | 8% | 7 | Sunrise:06:37 AM Sunset: 08:38 PM |
Moonrise:08:43 AM Moonset: 09:31 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Partly Cloudy |
16.6 ° C (61.9°F) |
25.8 ° C (78.5°F) |
21.1 ° C (70.1°F) |
% 73 | 15% | 7 | Sunrise:06:38 AM Sunset: 08:37 PM |
Moonrise:10:02 AM Moonset: 09:53 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Partly Cloudy |
17.1 ° C (62.7°F) |
30.2 ° C (86.4°F) |
22.9 ° C (73.2°F) |
% 77 | 17% | 7 | Sunrise:06:39 AM Sunset: 08:35 PM |
Moonrise:11:18 AM Moonset: 10:15 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
18.9 ° C (66°F) |
34.7 ° C (94.4°F) |
25.7 ° C (78.2°F) |
% 68 | 7% | 8 | Sunrise:06:41 AM Sunset: 08:34 PM |
Moonrise:12:32 PM Moonset: 10:40 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
18.7 ° C (65.7°F) |
36.7 ° C (98.1°F) |
27.3 ° C (81.1°F) |
% 51 | 4% | 9 | Sunrise:06:42 AM Sunset: 08:32 PM |
Moonrise:01:46 PM Moonset: 11:08 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
16.1 ° C (60.9°F) |
27.9 ° C (82.3°F) |
22 ° C (71.5°F) |
% 52 | 57% | 7 | Sunrise:06:43 AM Sunset: 08:31 PM |
Moonrise:02:57 PM Moonset: 11:43 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Partly Cloudy |
14.3 ° C (57.7°F) |
19.8 ° C (67.6°F) |
17.1 ° C (62.7°F) |
% 66 | 57% | 5 | Sunrise:06:44 AM Sunset: 08:29 PM |
Moonrise:04:03 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
13.2 ° C (55.8°F) |
27.8 ° C (82°F) |
19.6 ° C (67.3°F) |
% 65 | 36% | 7 | Sunrise:06:45 AM Sunset: 08:28 PM |
Moonrise:05:01 PM Moonset: 12:24 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
16.7 ° C (62°F) |
32.9 ° C (91.3°F) |
23.8 ° C (74.9°F) |
% 60 | 4% | 8 | Sunrise:06:46 AM Sunset: 08:26 PM |
Moonrise:05:51 PM Moonset: 01:14 AM Moon Phase ( Waxing Gibbous ) |
|