Lake Flat Weather Forecast 15 Days, Weather in Lake Flat Today
Current weather conditions and 15 day weather forecast for Lake Flat, 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.
Current weather conditions at Lake Flat
| 23 December 2025 Tuesday -2.8 ° C / 27°F  Clear |
Feels Like : -3.9 ° C / 24.9°F Humidity : % 96 Pressure : 1020 mb Wind Speed : 3.6 kmph / 2.2 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Lake Flat, SD, USA
Weather Forecast for next 15 Days for Lake Flat including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Lake Flat, South Dakota state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 23 December 2025 Tuesday | Sunny |
-0.9 ° C (30.4°F) |
12.3 ° C (54.1°F) |
3.3 ° C (38°F) |
% 72 | 0% | 0.2 | Sunrise:07:23 AM Sunset: 04:15 PM |
Moonrise:10:04 AM Moonset: 07:52 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Mist |
-1.2 ° C (29.8°F) |
2.9 ° C (37.2°F) |
-0.2 ° C (31.6°F) |
% 95 | 0% | 0.3 | Sunrise:07:23 AM Sunset: 04:15 PM |
Moonrise:10:27 AM Moonset: 09:02 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Mist |
-1.7 ° C (28.9°F) |
1.8 ° C (35.2°F) |
0.3 ° C (32.5°F) |
% 95 | 0% | 0.2 | Sunrise:07:23 AM Sunset: 04:16 PM |
Moonrise:10:47 AM Moonset: 10:12 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
0.3 ° C (32.5°F) |
14.7 ° C (58.4°F) |
5.8 ° C (42.5°F) |
% 67 | 0% | 0.2 | Sunrise:07:24 AM Sunset: 04:17 PM |
Moonrise:11:07 AM Moonset: 11:23 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-2.2 ° C (28°F) |
6.6 ° C (43.8°F) |
4.6 ° C (40.2°F) |
% 57 | 0% | 0 | Sunrise:07:24 AM Sunset: 04:17 PM |
Moonrise:11:26 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-3.3 ° C (26.1°F) |
7.3 ° C (45.2°F) |
0.7 ° C (33.3°F) |
% 62 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:18 PM |
Moonrise:11:47 AM Moonset: 12:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
0.6 ° C (33°F) |
5.4 ° C (41.7°F) |
2.4 ° C (36.4°F) |
% 64 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:19 PM |
Moonrise:12:11 PM Moonset: 01:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
3 ° C (37.4°F) |
11.7 ° C (53.1°F) |
6.4 ° C (43.5°F) |
% 52 | 0% | 3 | Sunrise:07:25 AM Sunset: 04:20 PM |
Moonrise:12:41 PM Moonset: 03:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
2.1 ° C (35.9°F) |
8.9 ° C (48.1°F) |
4.4 ° C (39.9°F) |
% 43 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:21 PM |
Moonrise:01:22 PM Moonset: 04:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Partly Cloudy |
1.3 ° C (34.3°F) |
9 ° C (48.1°F) |
4.5 ° C (40.1°F) |
% 50 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:22 PM |
Moonrise:02:15 PM Moonset: 05:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
1.6 ° C (34.9°F) |
10.5 ° C (51°F) |
4.2 ° C (39.5°F) |
% 63 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:22 PM |
Moonrise:03:23 PM Moonset: 07:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Cloudy |
-6 ° C (21.1°F) |
-2.4 ° C (27.7°F) |
-3 ° C (26.7°F) |
% 66 | 0% | 1 | Sunrise:07:25 AM Sunset: 04:23 PM |
Moonrise:04:41 PM Moonset: 08:03 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-7.3 ° C (18.8°F) |
0.3 ° C (32.6°F) |
-4.4 ° C (24°F) |
% 59 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:24 PM |
Moonrise:06:02 PM Moonset: 08:45 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Blizzard |
-8.8 ° C (16.2°F) |
-4.9 ° C (23.1°F) |
-5.8 ° C (21.5°F) |
% 84 | 73% | 1 | Sunrise:07:25 AM Sunset: 04:25 PM |
Moonrise:07:22 PM Moonset: 09:17 AM Moon Phase ( Waning Gibbous ) |
|
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