Weather Alert
Laffey Lake Weather Warning NWS WEATHER ALERT FOR THE LAFFEY LAKE, SD AREA - Issued: 324 AM CDT Wed Aug 19 2026 Laffey Lake Weather Warning

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Laffey Lake, SD Weather - Hour by Hour Forecast

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Laffey Lake, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 63°F17°C, dew point 61°F16°C, humidity 93%. Wind direction is ESE at 7 mph11 km/h with visibility of 10 mi16 km. Barometric pressure is 29.95 in1014 mb.
Today - Mostly cloudy with a chance of showers and thunderstorms this morning, then mostly sunny with a slight chance of showers and thund.. Full Forecast
Tonight - Mostly clear. Humid with lows in the lower 60s. South winds 5 to 10 mph... Full Forecast

Laffey Lake Hourly Weather

24 Hour Forecast Scroll
Wed, Aug 19
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Laffey Lake, SD Hourly Weather - Cloudy - 7:00 AM Laffey Lake, SD Hourly Weather - Cloudy - 8:00 AM Laffey Lake, SD Hourly Weather - Cloudy - 9:00 AM Laffey Lake, SD Hourly Weather - Cloudy - 10:00 AM Laffey Lake, SD Hourly Weather - Cloudy - 11:00 AM Laffey Lake, SD Hourly Weather - Partly Cloudy - 12:00 PM Laffey Lake, SD Hourly Weather - Partly Cloudy - 1:00 PM Laffey Lake, SD Hourly Weather - Partly Cloudy - 2:00 PM Laffey Lake, SD Hourly Weather - Mostly Cloudy - 3:00 PM Laffey Lake, SD Hourly Weather - Mostly Cloudy - 4:00 PM Laffey Lake, SD Hourly Weather - Mostly Cloudy - 5:00 PM Laffey Lake, SD Hourly Weather - Partly Cloudy - 6:00 PM Laffey Lake, SD Hourly Weather - Partly Cloudy - 7:00 PM Laffey Lake, SD Hourly Weather - Partly Cloudy - 8:00 PM Laffey Lake, SD Hourly Weather - Mostly Clear - 9:00 PM Laffey Lake, SD Hourly Weather - Mostly Clear - 10:00 PM Laffey Lake, SD Hourly Weather - Mostly Clear - 11:00 PM Laffey Lake, SD Hourly Weather - Clear - 12:00 AM Laffey Lake, SD Hourly Weather - Clear - 1:00 AM Laffey Lake, SD Hourly Weather - Clear - 2:00 AM Laffey Lake, SD Hourly Weather - Clear - 3:00 AM Laffey Lake, SD Hourly Weather - Clear - 4:00 AM Laffey Lake, SD Hourly Weather - Clear - 5:00 AM Laffey Lake, SD Hourly Weather - Partly Cloudy - 6:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Partly Cloudy
62°F17°C 64°F18°C 66°F19°C 68°F20°C 71°F22°C 74°F23°C 77°F25°C 78°F26°C 80°F27°C 81°F27°C 81°F27°C 80°F27°C 80°F27°C 77°F25°C 74°F23°C 71°F22°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C
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30% 30% 30% 30% 30% 30% 30% 11% 11% 11% 11% 11% 11% 9% 9% 9% 9% 9% 9% 0% 0% 0% 0% 0%
60°F16°C 61°F16°C 61°F16°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 63°F17°C 63°F17°C 63°F17°C 64°F18°C 64°F18°C 64°F18°C 65°F18°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C
93% 90% 84% 81% 73% 66% 60% 58% 56% 54% 54% 58% 58% 64% 74% 81% 84% 84% 87% 87% 90% 90% 90% 90%
SE SE SSE SSE SSE S S S S S S S S S S S S S S S S S S S
4 mph 4 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 6 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
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KMHE model statistics.

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Prob Precip % = Probability of Precipitation.

Laffey Lake 36 Hour Forecast

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

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