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McCook Lake SD Weather - Light Rain - 63°F
Light Rain
63°F
Updated 6:31 am
Feels Like 53°F
Humidity 93%
Wind SSE 9 mph
Barometer  29.99 in
Dew Point 61°F
McCook Lake SD Weather - Light Rain - 17°C
Light Rain
17°C
Updated 6:31 am
Feels Like 12°C
Humidity 93%
Wind SSE 14 km/h
Barometer  101.5 kPa
Dew Point 16°C
McCook Lake, SD Weather and Current Conditionsmccook lake sd weather forecast

McCook Lake, SD Weather Forecast

McCook Lake South Dakota WeatherMcCook Lake, South Dakota Weather Weather Forecast
14 day API weather forecast for McCook Lake, South Dakota. Note: The 7-day weather forecast for McCook Lake, SD is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
McCook Lake, SD Weather Forecast Dated: 631 AM Sat Sep 26 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Saturday, September 26, 2026

Mid-Morning
McCook Lake Weather - 2026-09-26 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
McCook Lake Weather - 2026-09-26 - Afternoon - Scattered Showers
65°F 18°C
Scattered Showers
Early-Evening
McCook Lake Weather - 2026-09-26 - Evening - Scattered Showers
65°F 18°C
Scattered Showers
Refreshing around 65°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the SSE to the SE at 10 mph 16 km/h. Gusts up to 22 mph 36 km/h.

Sunday, September 27, 2026

Mid-Morning
McCook Lake Weather - 2026-09-27 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
McCook Lake Weather - 2026-09-27 - Afternoon - Scattered Showers
74°F 23°C
Scattered Showers
Early-Evening
McCook Lake Weather - 2026-09-27 - Evening - Overcast
70°F 21°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, scattered downpours possible, with lower humidity and steady pressure. Winds blowing from the ESE at 7 mph 12 km/h.

Monday, September 28, 2026

Mid-Morning
McCook Lake Weather - 2026-09-28 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
McCook Lake Weather - 2026-09-28 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
McCook Lake Weather - 2026-09-28 - Evening - Overcast
71°F 22°C
Overcast
Enjoyable around 74°F 23°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the SSE to the SE at 12 mph 19 km/h. Gusts up to 25 mph 40 km/h.

Tuesday, September 29, 2026

Mid-Morning
McCook Lake Weather - 2026-09-29 - Morning - Heavy Rain Showers
60°F 15°C
Heavy Rain Showers
Mid-Afternoon
McCook Lake Weather - 2026-09-29 - Afternoon - Light Fog
61°F 16°C
Light Fog
Early-Evening
McCook Lake Weather - 2026-09-29 - Evening - Light Showers
64°F 18°C
Light Showers
Cool with a high near 61°F 16°C, rounds of showers morning and night, dry in between, with steady humidity and steady pressure.

Wednesday, September 30, 2026

Mid-Morning
McCook Lake Weather - 2026-09-30 - Morning - Overcast
60°F 15°C
Overcast
Mid-Afternoon
McCook Lake Weather - 2026-09-30 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
McCook Lake Weather - 2026-09-30 - Evening - Light Showers
60°F 16°C
Light Showers
Refreshing around 61°F 16°C, mainly dry until evening showers arrive, with steady humidity and barometric pressure falling.

Thursday, October 1, 2026

Mid-Morning
McCook Lake Weather - 2026-10-01 - Morning - Fog
60°F 16°C
Fog
Mid-Afternoon
McCook Lake Weather - 2026-10-01 - Afternoon - Scattered Showers
60°F 16°C
Scattered Showers
Early-Evening
McCook Lake Weather - 2026-10-01 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Mildly cool near 60°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the NNE at 8 mph 13 km/h. Gusts up to 22 mph 35 km/h.

Friday, October 2, 2026

Mid-Morning
McCook Lake Weather - 2026-10-02 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
McCook Lake Weather - 2026-10-02 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
McCook Lake Weather - 2026-10-02 - Evening - Sunny
65°F 18°C
Sunny
Comfortable at 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the ESE at 8 mph 13 km/h.

Saturday, October 3, 2026

Mid-Morning
McCook Lake Weather - 2026-10-03 - Morning - Light Showers
58°F 15°C
Light Showers
Mid-Afternoon
McCook Lake Weather - 2026-10-03 - Afternoon - Scattered Showers
53°F 12°C
Scattered Showers
Early-Evening
McCook Lake Weather - 2026-10-03 - Evening - Partly Cloudy
50°F 10°C
Partly Cloudy
Crisp with a high near 53°F 12°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds increasing from the S at 11 mph 17 km/h to NNW at 19 mph 30 km/h. Gusts up to 28 mph 44 km/h.

Sunday, October 4, 2026

Mid-Morning
McCook Lake Weather - 2026-10-04 - Morning - Sunny
47°F 9°C
Sunny
Mid-Afternoon
McCook Lake Weather - 2026-10-04 - Afternoon - Sunny
56°F 13°C
Sunny
Early-Evening
McCook Lake Weather - 2026-10-04 - Evening - Overcast
52°F 11°C
Overcast
Brisk around 56°F 13°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds out of the NNW at 8 mph 13 km/h.

Monday, October 5, 2026

Mid-Morning
McCook Lake Weather - 2026-10-05 - Morning - Sunny
41°F 5°C
Sunny
Mid-Afternoon
McCook Lake Weather - 2026-10-05 - Afternoon - Overcast
50°F 10°C
Overcast
Early-Evening
McCook Lake Weather - 2026-10-05 - Evening - Overcast
49°F 10°C
Overcast
Cool and brisk at 50°F 10°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the NW to the W at 4 mph 6 km/h.

Tuesday, October 6, 2026

Mid-Morning
McCook Lake Weather - 2026-10-06 - Morning - Overcast
41°F 5°C
Overcast
Mid-Afternoon
McCook Lake Weather - 2026-10-06 - Afternoon - Partly Cloudy
49°F 10°C
Partly Cloudy
Early-Evening
McCook Lake Weather - 2026-10-06 - Evening - Overcast
46°F 8°C
Overcast
Chilly near 49°F 10°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the ENE to the NE at 8 mph 12 km/h.

Wednesday, October 7, 2026

Mid-Morning
McCook Lake Weather - 2026-10-07 - Morning - Sunny
37°F 3°C
Sunny
Mid-Afternoon
McCook Lake Weather - 2026-10-07 - Afternoon - Overcast
46°F 8°C
Overcast
Early-Evening
McCook Lake Weather - 2026-10-07 - Evening - Sunny
45°F 7°C
Sunny
Crisp with a high near 46°F 8°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling.

Thursday, October 8, 2026

Mid-Morning
McCook Lake Weather - 2026-10-08 - Morning - Overcast
40°F 5°C
Overcast
Mid-Afternoon
McCook Lake Weather - 2026-10-08 - Afternoon - Overcast
52°F 11°C
Overcast
Early-Evening
McCook Lake Weather - 2026-10-08 - Evening - Overcast
50°F 10°C
Overcast
Brisk around 52°F 11°C, overcast through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds out of the S at 17 mph 27 km/h. Gusts up to 25 mph 39 km/h.

Friday, October 9, 2026

Mid-Morning
McCook Lake Weather - 2026-10-09 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
McCook Lake Weather - 2026-10-09 - Afternoon - Overcast
60°F 16°C
Overcast
Early-Evening
McCook Lake Weather - 2026-10-09 - Evening - Overcast
59°F 15°C
Overcast
Mildly cool near 60°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

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Weather by the Numbers

Sat, 26th
McCook Lake SD Weather - Saturday, Sep 26, 2026 - Patchy Rain Nearby
Hi: 65°F 18°C
Lo: 57°F 14°C
Sunrise 07:18 AM
Sunset 07:16 PM
Wind SSE 14 mph23 km/h
Dew Point 59°F15°C
uv Index 2
Barometric Pressure 29.94 in1014 mb
POP 35% *
Humidity 90%
Sun, 27th
McCook Lake SD Weather - Sunday, Sep 27, 2026 - Partly Cloudy
Hi: 74°F 23°C
Lo: 59°F 15°C
Sunrise 07:19 AM
Sunset 07:15 PM
Wind ESE 7 mph12 km/h
Dew Point 61°F16°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 12% *
Humidity 78%
Mon, 28th
McCook Lake SD Weather - Monday, Sep 28, 2026 - Overcast
Hi: 74°F 23°C
Lo: 59°F 15°C
Sunrise 07:20 AM
Sunset 07:13 PM
Wind SSE 14 mph22 km/h
Dew Point 58°F14°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 15% *
Humidity 66%
Tue, 29th
McCook Lake SD Weather - Tuesday, Sep 29, 2026 - Light Rain Shower
Hi: 67°F 20°C
Lo: 60°F 15°C
Sunrise 07:22 AM
Sunset 07:11 PM
Wind ESE 5 mph8 km/h
Dew Point 59°F15°C
uv Index 1
Barometric Pressure 29.77 in1008 mb
POP 79% *
Humidity 98%
Wed, 30th
McCook Lake SD Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 66°F 19°C
Lo: 57°F 14°C
Sunrise 07:23 AM
Sunset 07:09 PM
Wind E 5 mph9 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 29.8 in1009 mb
POP 23% *
Humidity 79%
Thu, 1st
McCook Lake SD Weather - Thursday, Oct 1, 2026 - Patchy Rain Nearby
Hi: 62°F 17°C
Lo: 60°F 16°C
Sunrise 07:24 AM
Sunset 07:07 PM
Wind NNE 8 mph13 km/h
Dew Point 58°F14°C
uv Index 4
Barometric Pressure 29.8 in1009 mb
POP 41% *
Humidity 91%
Fri, 2nd
McCook Lake SD Weather - Friday, Oct 2, 2026 - Sunny
Hi: 67°F 19°C
Lo: 52°F 11°C
Sunrise 07:25 AM
Sunset 07:06 PM
Wind E 7 mph12 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 60%
Sat, 3rd
McCook Lake SD Weather - Saturday, Oct 3, 2026 - Light Rain Shower
Hi: 61°F 16°C
Lo: 46°F 8°C
Sunrise 07:26 AM
Sunset 07:04 PM
Wind W 15 mph25 km/h
Dew Point 51°F11°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 63% *
Humidity 88%
Sun, 4th
McCook Lake SD Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 56°F 14°C
Lo: 41°F 5°C
Sunrise 07:27 AM
Sunset 07:02 PM
Wind N 10 mph16 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 3% *
Humidity 55%
Mon, 5th
McCook Lake SD Weather - Monday, Oct 5, 2026 - Partly Cloudy
Hi: 50°F 10°C
Lo: 38°F 3°C
Sunrise 07:28 AM
Sunset 07:00 PM
Wind NW 7 mph12 km/h
Dew Point 28°F-2°C
uv Index 3
Barometric Pressure 30.56 in1035 mb
POP 9% *
Humidity 49%
Tue, 6th
McCook Lake SD Weather - Tuesday, Oct 6, 2026 - Overcast
Hi: 50°F 10°C
Lo: 40°F 5°C
Sunrise 07:29 AM
Sunset 06:59 PM
Wind NE 7 mph12 km/h
Dew Point 28°F-2°C
uv Index 2
Barometric Pressure 30.5 in1033 mb
POP 6% *
Humidity 50%
Wed, 7th
McCook Lake SD Weather - Wednesday, Oct 7, 2026 - Sunny
Hi: 47°F 8°C
Lo: 35°F 2°C
Sunrise 07:31 AM
Sunset 06:57 PM
Wind ESE 4 mph6 km/h
Dew Point 22°F-6°C
uv Index 3
Barometric Pressure 30.59 in1036 mb
POP 6% *
Humidity 43%
Thu, 8th
McCook Lake SD Weather - Thursday, Oct 8, 2026 - Overcast
Hi: 53°F 12°C
Lo: 38°F 3°C
Sunrise 07:32 AM
Sunset 06:55 PM
Wind S 17 mph27 km/h
Dew Point 31°F-1°C
uv Index 2
Barometric Pressure 30.24 in1024 mb
POP 13% *
Humidity 54%
Fri, 9th
McCook Lake SD Weather - Friday, Oct 9, 2026 - Cloudy
Hi: 61°F 16°C
Lo: 45°F 7°C
Sunrise 07:33 AM
Sunset 06:54 PM
Wind E 4 mph7 km/h
Dew Point 40°F5°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 12% *
Humidity 59%
* POP = Probability of Precipitation. Data for 12:00 PM.