Current weather conditions and 15 day weather forecast for Lyons, 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 23.6 ° C / 74.5°F ![]() Cloudy |
Feels Like : 25.7 ° C / 78.3°F Humidity : % 88 Pressure : 1009 mb Wind Speed : 11.9 kmph / 7.4 miles from NNE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 79 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
18.3 ° C (64.9°F) |
28.7 ° C (83.7°F) |
22.9 ° C (73.2°F) |
% 81 | 19% | 5.3 | Sunrise:06:25 AM Sunset: 08:40 PM |
Moonrise:01:52 AM Moonset: 06:36 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
15.7 ° C (60.3°F) |
29.8 ° C (85.6°F) |
23.5 ° C (74.3°F) |
% 70 | 69% | 5.7 | Sunrise:06:26 AM Sunset: 08:39 PM |
Moonrise:03:03 AM Moonset: 07:27 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
19.2 ° C (66.6°F) |
31.8 ° C (89.3°F) |
25.4 ° C (77.8°F) |
% 62 | 17% | 5.3 | Sunrise:06:27 AM Sunset: 08:37 PM |
Moonrise:04:25 AM Moonset: 08:06 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
17.3 ° C (63.1°F) |
32.2 ° C (89.9°F) |
24.2 ° C (75.6°F) |
% 62 | 57% | 6.7 | Sunrise:06:28 AM Sunset: 08:36 PM |
Moonrise:05:50 AM Moonset: 08:37 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Partly Cloudy |
17.6 ° C (63.8°F) |
25.5 ° C (77.9°F) |
20.9 ° C (69.6°F) |
% 85 | 84% | 6 | Sunrise:06:29 AM Sunset: 08:34 PM |
Moonrise:07:15 AM Moonset: 09:02 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Cloudy |
15.9 ° C (60.6°F) |
23.4 ° C (74.2°F) |
19.1 ° C (66.4°F) |
% 83 | 66% | 6 | Sunrise:06:30 AM Sunset: 08:33 PM |
Moonrise:08:37 AM Moonset: 09:25 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Light drizzle |
17.7 ° C (63.9°F) |
23.7 ° C (74.7°F) |
19.6 ° C (67.2°F) |
% 95 | 91% | 6 | Sunrise:06:32 AM Sunset: 08:31 PM |
Moonrise:09:55 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
15.7 ° C (60.3°F) |
28.3 ° C (82.9°F) |
21.6 ° C (70.9°F) |
% 73 | 8% | 7 | Sunrise:06:33 AM Sunset: 08:30 PM |
Moonrise:11:12 AM Moonset: 10:09 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Partly Cloudy |
17 ° C (62.5°F) |
26.6 ° C (79.8°F) |
21.2 ° C (70.2°F) |
% 67 | 17% | 7 | Sunrise:06:34 AM Sunset: 08:28 PM |
Moonrise:12:27 PM Moonset: 10:33 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
16.1 ° C (60.9°F) |
34.1 ° C (93.3°F) |
23.7 ° C (74.6°F) |
% 66 | 36% | 8 | Sunrise:06:35 AM Sunset: 08:27 PM |
Moonrise:01:40 PM Moonset: 11:01 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
15.1 ° C (59.1°F) |
27.5 ° C (81.5°F) |
21.1 ° C (69.9°F) |
% 60 | 4% | 7 | Sunrise:06:36 AM Sunset: 08:25 PM |
Moonrise:02:51 PM Moonset: 11:35 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
15.3 ° C (59.5°F) |
30.4 ° C (86.7°F) |
22.5 ° C (72.6°F) |
% 56 | 3% | 8 | Sunrise:06:37 AM Sunset: 08:24 PM |
Moonrise:03:58 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
18.2 ° C (64.8°F) |
36.2 ° C (97.1°F) |
26.4 ° C (79.5°F) |
% 44 | 1% | 9 | Sunrise:06:38 AM Sunset: 08:22 PM |
Moonrise:04:57 PM Moonset: 12:16 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
16.5 ° C (61.7°F) |
29.9 ° C (85.9°F) |
23.1 ° C (73.5°F) |
% 39 | 1% | 7 | Sunrise:06:39 AM Sunset: 08:20 PM |
Moonrise:05:46 PM Moonset: 01:06 AM Moon Phase ( Waxing Gibbous ) |
|