Big Lake, SD 14 Day Weather

Feedback E-mail the Weather

Quick Weather Clicks

Big Lake, SD Weather - 14-Day Weather Forecast

Current Conditions

Settings
Big Lake SD Weather - Clear - 57°F
Clear
57°F
Updated 10:49 pm
Feels Like 48°F
Humidity 40%
Wind E 12 mph
Barometer  30.23 in
Dew Point 33°F
Big Lake SD Weather - Clear - 14°C
Clear
14°C
Updated 10:49 pm
Feels Like 9°C
Humidity 40%
Wind E 19 km/h
Barometer  102.3 kPa
Dew Point 1°C
Big Lake, SD Weather and Current Conditionsbig lake sd weather forecast

Big Lake, SD Weather Forecast

Big Lake South Dakota WeatherBig Lake, South Dakota Weather Weather Forecast
14 Day API Big Lake Weather Forecast. Note: Our 7 day Big Lake weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Big Lake, SD Weather Forecast Dated: 1049 PM Sun Oct 04 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Sunday, October 4, 2026

Mid-Morning
Big Lake Weather - 2026-10-04 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Big Lake Weather - 2026-10-04 - Afternoon - Sunny
69°F 20°C
Sunny
Early-Evening
Big Lake Weather - 2026-10-04 - Evening - Sunny
62°F 17°C
Sunny
Pleasant near 69°F 20°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Monday, October 5, 2026

Mid-Morning
Big Lake Weather - 2026-10-05 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Big Lake Weather - 2026-10-05 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Big Lake Weather - 2026-10-05 - Evening - Sunny
74°F 23°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SE to the S at 8 mph 13 km/h.

Tuesday, October 6, 2026

Mid-Morning
Big Lake Weather - 2026-10-06 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Big Lake Weather - 2026-10-06 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Big Lake Weather - 2026-10-06 - Evening - Sunny
71°F 22°C
Sunny
Quite warm around 81°F 27°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the WNW to the N at 9 mph 15 km/h.

Wednesday, October 7, 2026

Mid-Morning
Big Lake Weather - 2026-10-07 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Big Lake Weather - 2026-10-07 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Big Lake Weather - 2026-10-07 - Evening - Overcast
64°F 18°C
Overcast
Mild temperatures up to 70°F 21°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the NW to the NE at 6 mph 10 km/h.

Thursday, October 8, 2026

Mid-Morning
Big Lake Weather - 2026-10-08 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Big Lake Weather - 2026-10-08 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Big Lake Weather - 2026-10-08 - Evening - Overcast
58°F 15°C
Overcast
Refreshing around 63°F 17°C, overcast throughout the day, with lower humidity and steady pressure.

Friday, October 9, 2026

Mid-Morning
Big Lake Weather - 2026-10-09 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Big Lake Weather - 2026-10-09 - Afternoon - Cloudy
65°F 18°C
Cloudy
Early-Evening
Big Lake Weather - 2026-10-09 - Evening - Overcast
60°F 16°C
Overcast
Mildly cool near 65°F 18°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds picking up from SE at 1 mph 1 km/h to SE at 11 mph 17 km/h. Gusts up to 22 mph 36 km/h.

Saturday, October 10, 2026

Mid-Morning
Big Lake Weather - 2026-10-10 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Big Lake Weather - 2026-10-10 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
Big Lake Weather - 2026-10-10 - Evening - Overcast
70°F 21°C
Overcast
Comfortable with temperatures reaching 76°F 25°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds tapering down from SSE 17 mph 27 km/h to NNW 8 mph 12 km/h.

Sunday, October 11, 2026

Mid-Morning
Big Lake Weather - 2026-10-11 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Big Lake Weather - 2026-10-11 - Afternoon - Overcast
52°F 11°C
Overcast
Early-Evening
Big Lake Weather - 2026-10-11 - Evening - Overcast
47°F 9°C
Overcast
Crisp with a high near 52°F 11°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the NNE to the NE at 15 mph 23 km/h.

Monday, October 12, 2026

Mid-Morning
Big Lake Weather - 2026-10-12 - Morning - Heavy Snow
34°F 1°C
Heavy Snow
Mid-Afternoon
Big Lake Weather - 2026-10-12 - Afternoon - Heavy Snow
33°F 1°C
Heavy Snow
Early-Evening
Big Lake Weather - 2026-10-12 - Evening - Heavy Snow
34°F 1°C
Heavy Snow
Cold with a high near 33°F 1°C, on-and-off snow throughout the day, with steady humidity and steady pressure. New snow accumulation of 4 to 7 in. 10 to 18 cm. Winds switching from the NNE to the NE at 11 mph 18 km/h. Gusts up to 27 mph 43 km/h.

Tuesday, October 13, 2026

Mid-Morning
Big Lake Weather - 2026-10-13 - Morning - Overcast
31°F 0°C
Overcast
Mid-Afternoon
Big Lake Weather - 2026-10-13 - Afternoon - Light Snow
32°F 0°C
Light Snow
Early-Evening
Big Lake Weather - 2026-10-13 - Evening - Light Snow
32°F -1°C
Light Snow
Nippy around 32°F 0°C, drier morning followed by snow lasting through evening, with steady humidity and steady pressure. Winds blowing from the NE at 9 mph 15 km/h.

Wednesday, October 14, 2026

Mid-Morning
Big Lake Weather - 2026-10-14 - Morning - Light Fog
28°F -2°C
Light Fog
Mid-Afternoon
Big Lake Weather - 2026-10-14 - Afternoon - Sunny
36°F 2°C
Sunny
Early-Evening
Big Lake Weather - 2026-10-14 - Evening - Sunny
32°F 0°C
Sunny
Biting cold near 36°F 2°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.

Thursday, October 15, 2026

Mid-Morning
Big Lake Weather - 2026-10-15 - Morning - Sunny
34°F 1°C
Sunny
Mid-Afternoon
Big Lake Weather - 2026-10-15 - Afternoon - Overcast
49°F 9°C
Overcast
Early-Evening
Big Lake Weather - 2026-10-15 - Evening - Overcast
46°F 8°C
Overcast
Crisp with a high near 49°F 9°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the SW to the W at 9 mph 15 km/h.

Friday, October 16, 2026

Mid-Morning
Big Lake Weather - 2026-10-16 - Morning - Overcast
45°F 7°C
Overcast
Mid-Afternoon
Big Lake Weather - 2026-10-16 - Afternoon - Overcast
55°F 13°C
Overcast
Early-Evening
Big Lake Weather - 2026-10-16 - Evening - Overcast
50°F 10°C
Overcast
Brisk around 55°F 13°C, overcast throughout the day, with lower humidity and steady pressure. Winds shifting from the WNW to the NW at 11 mph 18 km/h. Gusts up to 22 mph 36 km/h.

Saturday, October 17, 2026

Mid-Morning
Big Lake Weather - 2026-10-17 - Morning - Cloudy
42°F 5°C
Cloudy
Mid-Afternoon
Big Lake Weather - 2026-10-17 - Afternoon - Partly Cloudy
53°F 11°C
Partly Cloudy
Early-Evening
Big Lake Weather - 2026-10-17 - Evening - Partly Cloudy
47°F 9°C
Partly Cloudy
Cool and brisk at 53°F 11°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the NW at 15 mph 24 km/h.

Trending Headlines

Big Lake, SD Weather Radar Map

Use the map search tool if you want to place a location marker on the radar map...

Big Lake, SD 7 Day Weather

National Two Day Weather Forecast


E-mail the Big Lake Weather Forecast

Voice your opinion or tell us about page issues...

Weather by the Numbers

Sun, 4th
Big Lake SD Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 69°F 21°C
Lo: 48°F 9°C
Sunrise 07:43 AM
Sunset 07:15 PM
Wind W 6 mph10 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 1% *
Humidity 29%
Mon, 5th
Big Lake SD Weather - Monday, Oct 5, 2026 - Sunny
Hi: 81°F 27°C
Lo: 51°F 11°C
Sunrise 07:44 AM
Sunset 07:13 PM
Wind SSE 12 mph20 km/h
Dew Point 48°F9°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 2% *
Humidity 47%
Tue, 6th
Big Lake SD Weather - Tuesday, Oct 6, 2026 - Sunny
Hi: 81°F 27°C
Lo: 57°F 14°C
Sunrise 07:45 AM
Sunset 07:11 PM
Wind WNW 7 mph11 km/h
Dew Point 36°F2°C
uv Index 3
Barometric Pressure 29.77 in1008 mb
POP 1% *
Humidity 25%
Wed, 7th
Big Lake SD Weather - Wednesday, Oct 7, 2026 - Partly Cloudy
Hi: 71°F 21°C
Lo: 52°F 11°C
Sunrise 07:47 AM
Sunset 07:09 PM
Wind NNW 11 mph17 km/h
Dew Point 31°F-0°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 3% *
Humidity 27%
Thu, 8th
Big Lake SD Weather - Thursday, Oct 8, 2026 - Overcast
Hi: 63°F 17°C
Lo: 51°F 10°C
Sunrise 07:48 AM
Sunset 07:07 PM
Wind NE 6 mph10 km/h
Dew Point 26°F-3°C
uv Index 2
Barometric Pressure 30.15 in1021 mb
POP 9% *
Humidity 27%
Fri, 9th
Big Lake SD Weather - Friday, Oct 9, 2026 - Partly Cloudy
Hi: 66°F 19°C
Lo: 46°F 8°C
Sunrise 07:49 AM
Sunset 07:05 PM
Wind ESE 1 mph2 km/h
Dew Point 29°F-2°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 3% *
Humidity 30%
Sat, 10th
Big Lake SD Weather - Saturday, Oct 10, 2026 - Overcast
Hi: 79°F 26°C
Lo: 55°F 13°C
Sunrise 07:50 AM
Sunset 07:03 PM
Wind S 13 mph21 km/h
Dew Point 53°F12°C
uv Index 4
Barometric Pressure 29.59 in1002 mb
POP 14% *
Humidity 60%
Sun, 11th
Big Lake SD Weather - Sunday, Oct 11, 2026 - Overcast
Hi: 62°F 16°C
Lo: 42°F 6°C
Sunrise 07:52 AM
Sunset 07:01 PM
Wind NNE 18 mph30 km/h
Dew Point 38°F4°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 16% *
Humidity 64%
Mon, 12th
Big Lake SD Weather - Monday, Oct 12, 2026 - Heavy Snow
Hi: 41°F 5°C
Lo: 33°F 0°C
Sunrise 07:53 AM
Sunset 07:00 PM
Wind NNE 16 mph25 km/h
Dew Point 33°F0°C
uv Index 1
Barometric Pressure 30.15 in1021 mb
POP 87% *
Humidity 99%
Tue, 13th
Big Lake SD Weather - Tuesday, Oct 13, 2026 - Moderate Snow
Hi: 35°F 1°C
Lo: 31°F -1°C
Sunrise 07:54 AM
Sunset 06:58 PM
Wind NE 11 mph17 km/h
Dew Point 28°F-2°C
uv Index 1
Barometric Pressure 30.36 in1028 mb
POP 39% *
Humidity 87%
Wed, 14th
Big Lake SD Weather - Wednesday, Oct 14, 2026 - Overcast
Hi: 37°F 3°C
Lo: 26°F -3°C
Sunrise 07:56 AM
Sunset 06:56 PM
Wind N 5 mph8 km/h
Dew Point 26°F-4°C
uv Index 1
Barometric Pressure 30.18 in1022 mb
POP 11% *
Humidity 74%
Thu, 15th
Big Lake SD Weather - Thursday, Oct 15, 2026 - Overcast
Hi: 50°F 10°C
Lo: 28°F -2°C
Sunrise 07:57 AM
Sunset 06:54 PM
Wind W 12 mph20 km/h
Dew Point 36°F2°C
uv Index 2
Barometric Pressure 29.88 in1012 mb
POP 23% *
Humidity 78%
Fri, 16th
Big Lake SD Weather - Friday, Oct 16, 2026 - Overcast
Hi: 56°F 13°C
Lo: 43°F 6°C
Sunrise 07:58 AM
Sunset 06:52 PM
Wind NW 14 mph22 km/h
Dew Point 33°F1°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 12% *
Humidity 50%
Sat, 17th
Big Lake SD Weather - Saturday, Oct 17, 2026 - Sunny
Hi: 53°F 12°C
Lo: 38°F 3°C
Sunrise 08:00 AM
Sunset 06:51 PM
Wind NW 13 mph21 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 30.39 in1029 mb
POP 4% *
Humidity 51%
* POP = Probability of Precipitation. Data for 12:00 PM.