Long Lake Weather Forecast 15 Days, Weather in Long Lake Today

Current weather conditions and 15 day weather forecast for Long 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.

Current weather conditions at Long Lake

21 August 2026 Friday
27.7 ° C / 81.9°F
Partly Cloudy
Partly Cloudy
Feels Like : 24.1 ° C / 75.4°F
Humidity : % 29
Pressure : 1011 mb
Wind Speed : 16.2 kmph / 10.1 miles from NWNW
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 57

15 day weather forecast for Long Lake, SD, USA

Weather Forecast for next 15 Days for Long Lake 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 Long Lake, 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
20 August 2026 Thursday Sunny Sunny 17.1 ° C
(62.8°F)
31.1 ° C
(88°F)
23.1 ° C
(73.6°F)
% 57 3% 6.5 Sunrise:06:43 AM
Sunset: 08:37 PM
Moonrise:04:18 PM
Moonset: Does not set today
Moon Phase
( First Quarter )
21 August 2026 Friday Sunny Sunny 15.4 ° C
(59.7°F)
30 ° C
(85.9°F)
23.5 ° C
(74.2°F)
% 42 2% 6.9 Sunrise:06:44 AM
Sunset: 08:35 PM
Moonrise:05:17 PM
Moonset: 12:15 AM
Moon Phase
( First Quarter )
22 August 2026 Saturday Sunny Sunny 14.4 ° C
(58°F)
27.4 ° C
(81.4°F)
22.3 ° C
(72.1°F)
% 39 3% 7.4 Sunrise:06:45 AM
Sunset: 08:33 PM
Moonrise:06:07 PM
Moonset: 01:05 AM
Moon Phase
( Waxing Gibbous )
23 August 2026 Sunday Overcast Overcast 15.1 ° C
(59.2°F)
24.5 ° C
(76.1°F)
19.9 ° C
(67.8°F)
% 51 71% 5.8 Sunrise:06:46 AM
Sunset: 08:32 PM
Moonrise:06:46 PM
Moonset: 02:02 AM
Moon Phase
( Waxing Gibbous )
24 August 2026 Monday Sunny Sunny 18.8 ° C
(65.8°F)
30 ° C
(86°F)
23.8 ° C
(74.8°F)
% 66 57% 7 Sunrise:06:48 AM
Sunset: 08:30 PM
Moonrise:07:16 PM
Moonset: 03:06 AM
Moon Phase
( Waxing Gibbous )
25 August 2026 Tuesday Sunny Sunny 21.2 ° C
(70.2°F)
27.1 ° C
(80.8°F)
23.9 ° C
(75.1°F)
% 41 3% 7 Sunrise:06:49 AM
Sunset: 08:28 PM
Moonrise:07:41 PM
Moonset: 04:12 AM
Moon Phase
( Full Moon )
26 August 2026 Wednesday Sunny Sunny 18.2 ° C
(64.8°F)
24.9 ° C
(76.8°F)
21.8 ° C
(71.2°F)
% 56 3% 6 Sunrise:06:50 AM
Sunset: 08:26 PM
Moonrise:08:01 PM
Moonset: 05:19 AM
Moon Phase
( Full Moon )
27 August 2026 Thursday Sunny Sunny 19.4 ° C
(67°F)
27.8 ° C
(82.1°F)
23.4 ° C
(74.2°F)
% 50 2% 7 Sunrise:06:51 AM
Sunset: 08:24 PM
Moonrise:08:18 PM
Moonset: 06:26 AM
Moon Phase
( Full Moon )
28 August 2026 Friday Sunny Sunny 15.9 ° C
(60.7°F)
29.7 ° C
(85.5°F)
24.1 ° C
(75.3°F)
% 54 58% 7 Sunrise:06:52 AM
Sunset: 08:23 PM
Moonrise:08:34 PM
Moonset: 07:31 AM
Moon Phase
( Full Moon )
29 August 2026 Saturday Overcast Overcast 21.6 ° C
(70.9°F)
29.1 ° C
(84.4°F)
25 ° C
(77°F)
% 60 57% 7 Sunrise:06:54 AM
Sunset: 08:21 PM
Moonrise:08:50 PM
Moonset: 08:36 AM
Moon Phase
( Waning Gibbous )
30 August 2026 Sunday Sunny Sunny 20.8 ° C
(69.4°F)
29.9 ° C
(85.8°F)
24.7 ° C
(76.5°F)
% 63 5% 7 Sunrise:06:55 AM
Sunset: 08:19 PM
Moonrise:09:06 PM
Moonset: 09:43 AM
Moon Phase
( Waning Gibbous )
31 August 2026 Monday Sunny Sunny 23.6 ° C
(74.4°F)
36.7 ° C
(98.1°F)
27.1 ° C
(80.8°F)
% 46 6% 9 Sunrise:06:56 AM
Sunset: 08:17 PM
Moonrise:09:24 PM
Moonset: 10:51 AM
Moon Phase
( Waning Gibbous )
01 September 2026 Tuesday Sunny Sunny 12.9 ° C
(55.2°F)
24.2 ° C
(75.5°F)
18.9 ° C
(66°F)
% 50 3% 6 Sunrise:06:57 AM
Sunset: 08:15 PM
Moonrise:09:46 PM
Moonset: 12:01 PM
Moon Phase
( Waning Gibbous )
02 September 2026 Wednesday Sunny Sunny 10.8 ° C
(51.4°F)
20.8 ° C
(69.5°F)
15.4 ° C
(59.7°F)
% 75 20% 6 Sunrise:06:59 AM
Sunset: 08:13 PM
Moonrise:10:14 PM
Moonset: 01:15 PM
Moon Phase
( Last Quarter )
Long Lake Weather forecasts are usually fully updated every 4 hours.
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