Current weather conditions and 15 day weather forecast for Mount Vernon (Township), 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.
| 15 September 2026 Tuesday 18.1 ° C / 64.6°F ![]() Sunny |
Feels Like : 13 ° C / 55.4°F Humidity : % 39 Pressure : 1020 mb Wind Speed : 19.4 kmph / 12.1 miles from N ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 September 2026 Tuesday | Sunny |
12.6 ° C (54.6°F) |
22 ° C (71.7°F) |
18 ° C (64.3°F) |
% 47 | 2% | 5.8 | Sunrise:07:12 AM Sunset: 07:44 PM |
Moonrise:12:39 PM Moonset: 09:38 PM Moon Phase ( Waxing Crescent ) |
|
| 16 September 2026 Wednesday | Overcast |
13.4 ° C (56.1°F) |
17.1 ° C (62.8°F) |
15.7 ° C (60.3°F) |
% 66 | 21% | 1 | Sunrise:07:13 AM Sunset: 07:42 PM |
Moonrise:01:50 PM Moonset: 10:18 PM Moon Phase ( First Quarter ) |
|
| 17 September 2026 Thursday | Light rain shower |
16.8 ° C (62.2°F) |
19.9 ° C (67.8°F) |
17.9 ° C (64.2°F) |
% 96 | 94% | 4 | Sunrise:07:14 AM Sunset: 07:40 PM |
Moonrise:02:53 PM Moonset: 11:05 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Overcast |
15.6 ° C (60.1°F) |
22.3 ° C (72.1°F) |
18.8 ° C (65.9°F) |
% 91 | 84% | 5 | Sunrise:07:15 AM Sunset: 07:38 PM |
Moonrise:03:47 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Overcast |
13.5 ° C (56.3°F) |
17.2 ° C (63°F) |
15.2 ° C (59.3°F) |
% 84 | 32% | 4 | Sunrise:07:17 AM Sunset: 07:36 PM |
Moonrise:04:31 PM Moonset: 12:00 AM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Overcast |
11 ° C (51.8°F) |
13.7 ° C (56.7°F) |
12.8 ° C (55.1°F) |
% 90 | 89% | 3 | Sunrise:07:18 AM Sunset: 07:34 PM |
Moonrise:05:06 PM Moonset: 01:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Patchy rain nearby |
9.9 ° C (49.7°F) |
12.2 ° C (53.9°F) |
11.2 ° C (52.1°F) |
% 88 | 36% | 3 | Sunrise:07:19 AM Sunset: 07:32 PM |
Moonrise:05:34 PM Moonset: 02:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Mist |
9.6 ° C (49.3°F) |
20.8 ° C (69.5°F) |
14.4 ° C (58°F) |
% 78 | 13% | 6 | Sunrise:07:20 AM Sunset: 07:31 PM |
Moonrise:05:57 PM Moonset: 03:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
13.2 ° C (55.8°F) |
19 ° C (66.2°F) |
16.5 ° C (61.8°F) |
% 61 | 8% | 5 | Sunrise:07:21 AM Sunset: 07:29 PM |
Moonrise:06:17 PM Moonset: 04:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
11.4 ° C (52.5°F) |
20.2 ° C (68.4°F) |
16 ° C (60.8°F) |
% 41 | 1% | 6 | Sunrise:07:22 AM Sunset: 07:27 PM |
Moonrise:06:36 PM Moonset: 05:19 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
17.5 ° C (63.6°F) |
31.4 ° C (88.5°F) |
22.8 ° C (73°F) |
% 41 | 1% | 8 | Sunrise:07:23 AM Sunset: 07:25 PM |
Moonrise:06:53 PM Moonset: 06:23 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
20.3 ° C (68.5°F) |
30.9 ° C (87.7°F) |
25.2 ° C (77.4°F) |
% 54 | 4% | 8 | Sunrise:07:24 AM Sunset: 07:23 PM |
Moonrise:07:11 PM Moonset: 07:27 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
15.3 ° C (59.5°F) |
34.3 ° C (93.7°F) |
25.8 ° C (78.4°F) |
% 46 | 6% | 8 | Sunrise:07:26 AM Sunset: 07:21 PM |
Moonrise:07:31 PM Moonset: 08:34 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
11.1 ° C (52°F) |
18.7 ° C (65.7°F) |
14.6 ° C (58.2°F) |
% 39 | 1% | 5 | Sunrise:07:27 AM Sunset: 07:20 PM |
Moonrise:07:54 PM Moonset: 09:42 AM Moon Phase ( Waning Gibbous ) |
|