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Lake County SD Weather - Clear - 50°F
Clear
50°F
Updated 1:07 am
Feels Like 49°F
Humidity 93%
Wind S 7 mph
Barometer  30.11 in
Dew Point 48°F
Lake County SD Weather - Clear - 10°C
Clear
10°C
Updated 1:07 am
Feels Like 9°C
Humidity 93%
Wind S 11 km/h
Barometer  101.9 kPa
Dew Point 9°C
Lake County, SD Weather and Current Conditionslake county sd weather forecast

Lake County, SD Weather Forecast

Lake County South Dakota WeatherLake County, South Dakota Weather Weather Forecast
14 day API Lake County, SD weather forecast. Note. Our 7-day weather forecast for Lake County, South Dakota is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Lake County, SD Weather Forecast Dated: 107 AM Wed Oct 21 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Wednesday, October 21, 2026

Mid-Morning
Lake County Weather - 2026-10-21 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Lake County Weather - 2026-10-21 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Lake County Weather - 2026-10-21 - Evening - Overcast
64°F 18°C
Overcast
Pleasant near 71°F 22°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure.

Thursday, October 22, 2026

Mid-Morning
Lake County Weather - 2026-10-22 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Lake County Weather - 2026-10-22 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Lake County Weather - 2026-10-22 - Evening - Overcast
67°F 20°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds out of the S at 14 mph 23 km/h. Gusts up to 26 mph 42 km/h.

Friday, October 23, 2026

Mid-Morning
Lake County Weather - 2026-10-23 - Morning - Scattered Showers
61°F 16°C
Scattered Showers
Mid-Afternoon
Lake County Weather - 2026-10-23 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Lake County Weather - 2026-10-23 - Evening - Cloudy
71°F 22°C
Cloudy
Enjoyable around 75°F 24°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the SSE to the S at 23 mph 36 km/h. Gusts up to 40 mph 64 km/h.

Saturday, October 24, 2026

Mid-Morning
Lake County Weather - 2026-10-24 - Morning - Scattered Showers
62°F 16°C
Scattered Showers
Mid-Afternoon
Lake County Weather - 2026-10-24 - Afternoon - Drizzle
59°F 15°C
Drizzle
Early-Evening
Lake County Weather - 2026-10-24 - Evening - Overcast
54°F 12°C
Overcast
Cool with a high near 59°F 15°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds moving from the S to the WNW at 7 mph 11 km/h.

Sunday, October 25, 2026

Mid-Morning
Lake County Weather - 2026-10-25 - Morning - Overcast
46°F 8°C
Overcast
Mid-Afternoon
Lake County Weather - 2026-10-25 - Afternoon - Scattered Showers
45°F 7°C
Scattered Showers
Early-Evening
Lake County Weather - 2026-10-25 - Evening - Drizzle
37°F 3°C
Drizzle
Brisk around 45°F 7°C, scattered downpours possible, with increasing humidity and steady pressure. Snow accumulation up to 1 in. up to 3 cm. Winds out of the NNE at 8 mph 13 km/h.

Monday, October 26, 2026

Mid-Morning
Lake County Weather - 2026-10-26 - Morning - Overcast
35°F 2°C
Overcast
Mid-Afternoon
Lake County Weather - 2026-10-26 - Afternoon - Overcast
40°F 4°C
Overcast
Early-Evening
Lake County Weather - 2026-10-26 - Evening - Overcast
37°F 3°C
Overcast
Cold with a high near 40°F 4°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds shifting from the N to the SW at 10 mph 15 km/h.

Tuesday, October 27, 2026

Mid-Morning
Lake County Weather - 2026-10-27 - Morning - Sunny
32°F 0°C
Sunny
Mid-Afternoon
Lake County Weather - 2026-10-27 - Afternoon - Sunny
42°F 6°C
Sunny
Early-Evening
Lake County Weather - 2026-10-27 - Evening - Sunny
36°F 2°C
Sunny
Nippy around 42°F 6°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Wednesday, October 28, 2026

Mid-Morning
Lake County Weather - 2026-10-28 - Morning - Sunny
35°F 2°C
Sunny
Mid-Afternoon
Lake County Weather - 2026-10-28 - Afternoon - Cloudy
48°F 9°C
Cloudy
Early-Evening
Lake County Weather - 2026-10-28 - Evening - Partly Cloudy
42°F 6°C
Partly Cloudy
Crisp with a high near 48°F 9°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the SSW to the NNW at 9 mph 15 km/h.

Thursday, October 29, 2026

Mid-Morning
Lake County Weather - 2026-10-29 - Morning - Sunny
38°F 3°C
Sunny
Mid-Afternoon
Lake County Weather - 2026-10-29 - Afternoon - Sunny
51°F 10°C
Sunny
Early-Evening
Lake County Weather - 2026-10-29 - Evening - Sunny
44°F 7°C
Sunny
Brisk around 51°F 10°C, sunny throughout the day, with steady humidity and steady pressure.

Friday, October 30, 2026

Mid-Morning
Lake County Weather - 2026-10-30 - Morning - Sunny
39°F 4°C
Sunny
Mid-Afternoon
Lake County Weather - 2026-10-30 - Afternoon - Sunny
53°F 12°C
Sunny
Early-Evening
Lake County Weather - 2026-10-30 - Evening - Sunny
51°F 11°C
Sunny
Cool and brisk at 53°F 12°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds picking up from SSE at 13 mph 20 km/h to S at 21 mph 33 km/h. Gusts up to 38 mph 61 km/h.

Saturday, October 31, 2026

Mid-Morning
Lake County Weather - 2026-10-31 - Morning - Overcast
49°F 10°C
Overcast
Mid-Afternoon
Lake County Weather - 2026-10-31 - Afternoon - Cloudy
58°F 15°C
Cloudy
Early-Evening
Lake County Weather - 2026-10-31 - Evening - Partly Cloudy
52°F 11°C
Partly Cloudy
Comfortable at 58°F 15°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the S to the NE at 6 mph 9 km/h.

Sunday, November 1, 2026

Mid-Morning
Lake County Weather - 2026-11-01 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Lake County Weather - 2026-11-01 - Afternoon - Sunny
60°F 15°C
Sunny
Early-Evening
Lake County Weather - 2026-11-01 - Evening - Sunny
50°F 10°C
Sunny
Cool with a high near 60°F 15°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure rising. Winds swinging from the S to the W at 9 mph 15 km/h.

Monday, November 2, 2026

Mid-Morning
Lake County Weather - 2026-11-02 - Morning - Overcast
45°F 7°C
Overcast
Mid-Afternoon
Lake County Weather - 2026-11-02 - Afternoon - Cloudy
54°F 12°C
Cloudy
Early-Evening
Lake County Weather - 2026-11-02 - Evening - Clear
45°F 7°C
Clear
Brisk around 54°F 12°C, overcast through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds shifting from the NNW to the NNE at 4 mph 6 km/h.

Tuesday, November 3, 2026

Mid-Morning
Lake County Weather - 2026-11-03 - Morning - Overcast
44°F 7°C
Overcast
Mid-Afternoon
Lake County Weather - 2026-11-03 - Afternoon - Overcast
54°F 12°C
Overcast
Early-Evening
Lake County Weather - 2026-11-03 - Evening - Clear
47°F 9°C
Clear
Cool and brisk at 54°F 12°C, overcast through the afternoon, turning sunny this evening, with increasing humidity and barometric pressure falling. Winds turning from the SSE to the S at 8 mph 13 km/h.

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Weather by the Numbers

Wed, 21st
Lake County SD Weather - Wednesday, Oct 21, 2026 - Sunny
Hi: 72°F 22°C
Lo: 50°F 10°C
Sunrise 07:51 AM
Sunset 06:34 PM
Wind E 4 mph7 km/h
Dew Point 50°F10°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 3% *
Humidity 57%
Thu, 22nd
Lake County SD Weather - Thursday, Oct 22, 2026 - Sunny
Hi: 74°F 23°C
Lo: 54°F 12°C
Sunrise 07:52 AM
Sunset 06:33 PM
Wind S 13 mph21 km/h
Dew Point 55°F13°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 3% *
Humidity 60%
Fri, 23rd
Lake County SD Weather - Friday, Oct 23, 2026 - Partly Cloudy
Hi: 76°F 24°C
Lo: 60°F 15°C
Sunrise 07:54 AM
Sunset 06:31 PM
Wind SSE 22 mph35 km/h
Dew Point 51°F10°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 50%
Sat, 24th
Lake County SD Weather - Saturday, Oct 24, 2026 - Overcast
Hi: 67°F 19°C
Lo: 51°F 11°C
Sunrise 07:55 AM
Sunset 06:30 PM
Wind W 12 mph19 km/h
Dew Point 57°F14°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 25% *
Humidity 83%
Sun, 25th
Lake County SD Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 51°F 10°C
Lo: 34°F 1°C
Sunrise 07:56 AM
Sunset 06:28 PM
Wind NNE 10 mph17 km/h
Dew Point 21°F-6°C
uv Index 2
Barometric Pressure 30.45 in1031 mb
POP 10% *
Humidity 33%
Mon, 26th
Lake County SD Weather - Monday, Oct 26, 2026 - Overcast
Hi: 40°F 4°C
Lo: 32°F 0°C
Sunrise 07:57 AM
Sunset 06:27 PM
Wind N 12 mph20 km/h
Dew Point 28°F-2°C
uv Index 1
Barometric Pressure 30.5 in1033 mb
POP 17% *
Humidity 66%
Tue, 27th
Lake County SD Weather - Tuesday, Oct 27, 2026 - Sunny
Hi: 42°F 6°C
Lo: 28°F -2°C
Sunrise 07:59 AM
Sunset 06:25 PM
Wind SE 2 mph4 km/h
Dew Point 20°F-7°C
uv Index 2
Barometric Pressure 30.56 in1035 mb
POP 2% *
Humidity 47%
Wed, 28th
Lake County SD Weather - Wednesday, Oct 28, 2026 - Partly Cloudy
Hi: 49°F 9°C
Lo: 30°F -1°C
Sunrise 08:00 AM
Sunset 06:24 PM
Wind WSW 12 mph20 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 30.24 in1024 mb
POP 9% *
Humidity 60%
Thu, 29th
Lake County SD Weather - Thursday, Oct 29, 2026 - Sunny
Hi: 51°F 11°C
Lo: 33°F 1°C
Sunrise 08:01 AM
Sunset 06:22 PM
Wind W 7 mph12 km/h
Dew Point 22°F-6°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 38%
Fri, 30th
Lake County SD Weather - Friday, Oct 30, 2026 - Sunny
Hi: 54°F 12°C
Lo: 34°F 1°C
Sunrise 08:02 AM
Sunset 06:21 PM
Wind SSE 17 mph28 km/h
Dew Point 30°F-1°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 2% *
Humidity 50%
Sat, 31st
Lake County SD Weather - Saturday, Oct 31, 2026 - Cloudy
Hi: 59°F 15°C
Lo: 47°F 8°C
Sunrise 08:04 AM
Sunset 06:19 PM
Wind ENE 5 mph8 km/h
Dew Point 45°F7°C
uv Index 3
Barometric Pressure 29.65 in1004 mb
POP 13% *
Humidity 70%
Sun, 1st
Lake County SD Weather - Sunday, Nov 1, 2026 - Sunny
Hi: 60°F 15°C
Lo: 43°F 6°C
Sunrise 08:05 AM
Sunset 06:18 PM
Wind WNW 9 mph15 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 29.8 in1009 mb
POP 3% *
Humidity 55%
Mon, 2nd
Lake County SD Weather - Monday, Nov 2, 2026 - Overcast
Hi: 54°F 12°C
Lo: 41°F 5°C
Sunrise 07:07 AM
Sunset 05:17 PM
Wind NNW 9 mph14 km/h
Dew Point 22°F-5°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 9% *
Humidity 31%
Tue, 3rd
Lake County SD Weather - Tuesday, Nov 3, 2026 - Overcast
Hi: 54°F 12°C
Lo: 39°F 4°C
Sunrise 07:08 AM
Sunset 05:16 PM
Wind SSE 17 mph27 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 11% *
Humidity 44%
* POP = Probability of Precipitation. Data for 12:00 PM.