Weather Alert
Lake Alvin Weather Warning NWS WEATHER ALERT FOR THE LAKE ALVIN, SD AREA - Issued: 152 PM CDT Sun Aug 9 2026 Lake Alvin Weather Warning

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Lake Alvin, SD Weather - Hour by Hour Forecast

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Lake Alvin, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 84°F29°C, dew point 68°F20°C, humidity 58%. Wind direction is N at 5 mph8 km/h with visibility of 10.00 mi16 km. Barometric pressure is 29.88 in1012 mb.
Tonight - Mostly cloudy. A chance of sprinkles this evening. Patchy fog after midnight. Lows in the mid 60s. Northeast winds 5 to 10 mph... Full Forecast
Monday - Partly sunny. A slight chance of showers and thunderstorms in the morning. Patchy fog in the morning. Humid with highs in the mid .. Full Forecast

Lake Alvin Hourly Weather

24 Hour Forecast Scroll
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Lake Alvin, SD Hourly Weather - Mostly Cloudy - 3:00 PM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 4:00 PM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 5:00 PM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 6:00 PM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 7:00 PM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 8:00 PM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 9:00 PM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 10:00 PM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 11:00 PM Lake Alvin, SD Hourly Weather - Cloudy - 12:00 AM Lake Alvin, SD Hourly Weather - Cloudy - 1:00 AM Lake Alvin, SD Hourly Weather - Cloudy - 2:00 AM Lake Alvin, SD Hourly Weather - Cloudy - 3:00 AM Lake Alvin, SD Hourly Weather - Cloudy - 4:00 AM Lake Alvin, SD Hourly Weather - Cloudy - 5:00 AM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 6:00 AM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 7:00 AM Lake Alvin, SD Hourly Weather - Mostly Cloudy - 8:00 AM Lake Alvin, SD Hourly Weather - Partly Cloudy - 9:00 AM Lake Alvin, SD Hourly Weather - Partly Cloudy - 10:00 AM Lake Alvin, SD Hourly Weather - Partly Cloudy - 11:00 AM Lake Alvin, SD Hourly Weather - Mostly Clear - 12:00 PM Lake Alvin, SD Hourly Weather - Mostly Clear - 1:00 PM Lake Alvin, SD Hourly Weather - Mostly Clear - 2:00 PM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear
90°F32°C 91°F33°C 90°F32°C 89°F32°C 88°F31°C 85°F29°C 83°F28°C 80°F27°C 79°F26°C 79°F26°C 78°F26°C 77°F25°C 75°F24°C 74°F23°C 73°F23°C 73°F23°C 72°F22°C 74°F23°C 76°F24°C 78°F26°C 81°F27°C 84°F29°C 87°F31°C 89°F32°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 40% 40% 40% 40% 40% 40% 13% 13% 13% 13% 13% 13% 0%
69°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C
50% 49% 50% 54% 55% 61% 67% 74% 77% 74% 77% 79% 82% 84% 84% 84% 84% 79% 74% 69% 63% 57% 52% 48%
NE NE NE NE NE NE NE ENE ENE ENE ENE ENE NE NE NE ENE E E ESE SE SE SE SE SE
9 mph 9 mph 9 mph 10 mph 10 mph 10 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 13 mph 13 mph 13 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 9 mph 9 mph 9 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 = Probability of Precipitation. ** Indicates missing data/values from KFSD model statistics.

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Prob Precip % = Probability of Precipitation.

Lake Alvin 36 Hour Forecast

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

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