Weather Alert
Lake Alvin State Recreation Area Weather Warning NWS WEATHER ALERT FOR THE LAKE ALVIN STATE RECREATION AREA, SD AREA - Issued: 356 PM CDT Mon Aug 10 2026 Lake Alvin State Recreation Area Weather Warning

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Lake Alvin State Recreation Area, SD Weather - Hour by Hour Forecast

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Lake Alvin State Recreation Area, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 75°F24°C, dew point 71°F22°C, humidity 87%. Wind direction is ESE at 10 mph16 km/h with visibility of 10 mi16 km. Barometric pressure is 29.92 in1013 mb.
Overnight - Mostly cloudy. A chance of sprinkles late this evening, then showers and thunderstorms likely. Some thunderstorms May be severe. L.. Full Forecast
Tuesday - Partly sunny. A chance of showers and thunderstorms in the morning. Some thunderstorms May be severe. Humid with highs in the mid .. Full Forecast

Lake Alvin State Recreation Area Hourly Weather

24 Hour Forecast Scroll
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Lake Alvin State Recreation Area, SD Hourly Weather - Cloudy - 12:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Cloudy - 1:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Cloudy - 2:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Cloudy - 3:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Cloudy - 4:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Cloudy - 5:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 6:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 7:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 8:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Clear - 9:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Clear - 10:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Clear - 11:00 AM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 12:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 1:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 2:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 3:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 4:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Partly Cloudy - 5:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Cloudy - 6:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Cloudy - 7:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Cloudy - 8:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Cloudy - 9:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Cloudy - 10:00 PM Lake Alvin State Recreation Area, SD Hourly Weather - Mostly Cloudy - 11:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
77°F25°C 75°F24°C 73°F23°C 72°F22°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 70°F21°C 73°F23°C 75°F24°C 77°F25°C 80°F27°C 82°F28°C 83°F28°C 85°F29°C 86°F30°C 85°F29°C 84°F29°C 83°F28°C 80°F27°C 78°F26°C 75°F24°C 74°F23°C
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15% 15% 64% 64% 64% 64% 64% 64% 6% 6% 6% 6% 6% 6% 0% 0% 0% 0% 0% 0% 4% 4% 4% 4%
68°F20°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 65°F18°C 65°F18°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 67°F19°C
74% 76% 79% 81% 84% 87% 84% 87% 84% 76% 74% 69% 65% 61% 59% 55% 53% 55% 55% 57% 62% 69% 76% 79%
ENE ENE ENE NE NE NE NE NE NE NE NE NE NE NE NE ENE ENE ENE NE NE NE NE NE NNE
13 mph 13 mph 13 mph 11 mph 11 mph 11 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 10 mph 10 mph 10 mph 10 mph 10 mph 10 mph 10 mph 10 mph 10 mph 5 mph 5 mph 5 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 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 State Recreation Area 36 Hour Forecast

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

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