Weather Alert
Greys Lake Weather Warning NWS WEATHER ALERT FOR THE GREYS LAKE, SD AREA - Issued: 1207 PM CDT Thu Oct 15 2026 Greys Lake Weather Warning

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Greys Lake, SD Weather - Hour by Hour Forecast

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Greys Lake, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 46°F8°C, dew point 39°F4°C, humidity 76%. Wind direction is WNW at 21 mph34 km/h with visibility of N/A mi0 km. Barometric pressure is 30.11 in1019 mb.
Tonight - Cloudy with a 50% chance of showers. Windy with lows in the mid 30s. Northwest winds 25 to 30 mph with gusts up to 45 mph... Full Forecast
Friday - Partly sunny and windy. Highs in the mid 40s. North winds 20 to 30 mph with gusts up to 45 mph, becoming northwest 10 to 15 mph wi.. Full Forecast

Greys Lake Hourly Weather

24 Hour Forecast Scroll
Thu, Oct 15
8:00 pm
Thu, Oct 15
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Thu, Oct 15
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Midnight
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Noon
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Greys Lake, SD Hourly Weather - Clear - 8:00 PM Greys Lake, SD Hourly Weather - Clear - 9:00 PM Greys Lake, SD Hourly Weather - Clear - 10:00 PM Greys Lake, SD Hourly Weather - Clear - 11:00 PM Greys Lake, SD Hourly Weather - Clear - 12:00 AM Greys Lake, SD Hourly Weather - Clear - 1:00 AM Greys Lake, SD Hourly Weather - Clear - 2:00 AM Greys Lake, SD Hourly Weather - Clear - 3:00 AM Greys Lake, SD Hourly Weather - Clear - 4:00 AM Greys Lake, SD Hourly Weather - Clear - 5:00 AM Greys Lake, SD Hourly Weather - Clear - 6:00 AM Greys Lake, SD Hourly Weather - Clear - 7:00 AM Greys Lake, SD Hourly Weather - Clear - 8:00 AM Greys Lake, SD Hourly Weather - Clear - 9:00 AM Greys Lake, SD Hourly Weather - Clear - 10:00 AM Greys Lake, SD Hourly Weather - Clear - 11:00 AM Greys Lake, SD Hourly Weather - Clear - 12:00 PM Greys Lake, SD Hourly Weather - Clear - 1:00 PM Greys Lake, SD Hourly Weather - Clear - 2:00 PM Greys Lake, SD Hourly Weather - Clear - 3:00 PM Greys Lake, SD Hourly Weather - Clear - 4:00 PM Greys Lake, SD Hourly Weather - Clear - 5:00 PM Greys Lake, SD Hourly Weather - Clear - 6:00 PM Greys Lake, SD Hourly Weather - Clear - 7:00 PM
Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
40°F4°C 37°F3°C 34°F1°C 34°F1°C 33°F1°C 33°F1°C 34°F1°C 34°F1°C 35°F2°C 35°F2°C 35°F2°C 35°F2°C 38°F3°C 40°F4°C 43°F6°C 47°F8°C 52°F11°C 56°F13°C 59°F15°C 61°F16°C 64°F18°C 61°F16°C 59°F15°C 56°F13°C
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1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 2% 2% 2% 2% 2% 2%
23°F-5°C 21°F-6°C 20°F-7°C 19°F-7°C 19°F-7°C 18°F-8°C 19°F-7°C 19°F-7°C 20°F-7°C 21°F-6°C 21°F-6°C 22°F-6°C 23°F-5°C 23°F-5°C 24°F-4°C 24°F-4°C 25°F-4°C 25°F-4°C 26°F-3°C 26°F-3°C 27°F-3°C 28°F-2°C 29°F-2°C 30°F-1°C
50% 52% 56% 54% 56% 54% 54% 54% 54% 56% 56% 59% 54% 50% 47% 40% 35% 30% 28% 26% 25% 28% 32% 37%
SW SW S S SSE SSE SSE SSE SSE SSE SSE SSE SSE S S S SSE SSE SSE SSE SSE SSE S S
5 mph 7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 16 mph 16 mph 16 mph 19 mph 19 mph 19 mph 20 mph 20 mph 20 mph 23 mph 23 mph 23 mph 22 mph 22 mph 22 mph 18 mph 18 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from K8D3 model statistics.

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Prob Precip % = Probability of Precipitation.

Greys Lake 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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